CN107338889A - Abnormal curved surface curtain wall pipe component connecting node stressing device - Google Patents
Abnormal curved surface curtain wall pipe component connecting node stressing device Download PDFInfo
- Publication number
- CN107338889A CN107338889A CN201710636284.7A CN201710636284A CN107338889A CN 107338889 A CN107338889 A CN 107338889A CN 201710636284 A CN201710636284 A CN 201710636284A CN 107338889 A CN107338889 A CN 107338889A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- ball screw
- pipe component
- circular pressing
- curtain wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a kind of abnormal curved surface curtain wall pipe component connecting node stressing device, including:Lower circular pressing plate, upper circular pressing plate, the first ball screw, rotatable connector and the second ball screw, the ball head of first ball screw is divided into the diameter of Spherical Volume that lower circular pressing plate and upper circular pressing plate are formed and can realize multi-direction rotation, second ball screw is slided in the annulus formed located at lower circular pressing plate and upper circular pressing plate, second ball screw is extended there through and locked by rotatable connector, and corresponding pipe component is placed on outside rotatable connector and locked.Through the above way, a kind of abnormal curved surface curtain wall pipe component connecting node stressing device of the present invention make use of bulbous configuration, it can realize that the pipe component of limited angle in arbitrary angle in plane degree and space crosses the connection of node, by the simplification that crosses of the multidirectional space connecting node of complexity, attractive in appearanceization, it is practical.
Description
Technical field
The present invention relates to curtain wall technology field, is filled more particularly to a kind of abnormal curved surface curtain wall pipe component connecting node stress
Put.
Background technology
Curtain wall is developed so far, and architect has been not limited to the horizontal flat perpendicular value of segmentation of curtain wall, for coat-curtain wall of building
Requirement it is more and more.Abnormity, the curtain wall project of space curved surface are now of common occurrence, realize that the way of this curtain wall is also each
Kind various kinds, various forms and structure have.It is studied carefully a bit, regardless of the component of sample, since being spacial special-shaped, adjacent members
The processing of intersection must be the point of most critical, and the processing mode of this node directly determines the success or failure of the curtain wall.
Abnormal curved surface tubular construction(Steel pipe and aluminum pipe)The node way that crosses is a lot, if steel can take direct welding
Form;If aluminum pipe, then the mode of various mechanical connections has, and its various complexity, there is also certain safety is hidden
Suffer from, and labor intensity is high, low production efficiency.
The content of the invention
The present invention solves the technical problem of providing a kind of abnormal curved surface curtain wall pipe component connecting node stressing device,
Bulbous configuration is make use of, can realize that the pipe component of limited angle in arbitrary angle in plane degree and space crosses the connection of node,
By the simplification that crosses of the multidirectional space connecting node of complexity, attractive in appearanceization is practical, while component manufacturing procedure is simple, subtracts
Labor intensity is lacked, has improved labor productivity, structure stress is reasonable, securely and reliably.
In order to solve the above technical problems, one aspect of the present invention is:A kind of abnormal curved surface curtain wall pipe is provided
Component connecting node stressing device, including:Lower circular pressing plate, upper circular pressing plate, the first ball screw, rotatable connector and second
Ball screw,
The ball head of first ball screw is divided into the diameter of Spherical Volume that lower circular pressing plate and upper circular pressing plate are formed and can realized
Multi-direction rotation, the second ball screw are slided in the annulus formed located at lower circular pressing plate and upper circular pressing plate, rotatably
Second ball screw is extended there through and locked by joint, and corresponding pipe component is placed on outside rotatable connector and locked.
In a preferred embodiment of the present invention, wedge-shaped circular hole is provided among lower circular pressing plate, for blocking the first bulb
The latter half of screw rod, the first ball screw can carry out angular turn along wedge-shaped circular hole.
In a preferred embodiment of the present invention, lower circular pressing plate periphery forms semi-circular recesses mouth, for blocking second
The latter half of ball screw, and form wedge shape at edge.
In a preferred embodiment of the present invention, semi-circular recesses mouth is provided among upper circular pressing plate, for blocking first
The top half of ball screw.
In a preferred embodiment of the present invention, upper circular pressing plate circumferentially forms semi-circular recesses mouth, for blocking
The top half of two ball screws, and form wedge shape at edge.
In a preferred embodiment of the present invention, the first ball screw is through among lower circular pressing plate in advance wedge-shaped circular hole
It is interior, and rotated in the diameter of Spherical Volume that can be formed among lower circular pressing plate and upper circular pressing plate.
In a preferred embodiment of the present invention, the quantity of the second ball screw and the quantity of pipe component cooperate, the
Two ball screws are rotated in the annulus that lower circular pressing plate and upper circular pressing plate periphery are formed, and angle can be also carried out outside space
Degree regulation, the second ball screw are -5 ° ~+5 ° in the angle of regulation range outside space.
In a preferred embodiment of the present invention, it is fastened between lower circular pressing plate and upper circular pressing plate by clamping screw
Together.
In a preferred embodiment of the present invention, the section of rotatable connector is hyperboloid, with lower circular pressing plate and upper circle
The outline of shape pressing plate altogether coincide;The centre of rotatable connector has a hollow hole, and the second ball screw is from hollow hole
Pass through and lock, corresponding pipe component is sheathed on outside rotatable connector and locked by lock-screw.
In a preferred embodiment of the present invention, in addition to pedestal, built-in fitting and agent structure, built-in fitting default in main body
In structure, pedestal locks with the first ball screw, can directly be fixedly welded on the built-in fitting in agent structure.
The beneficial effects of the invention are as follows:Abnormal curved surface curtain wall pipe component connecting node stressing device of the present invention effectively utilizes
Bulbous configuration, realize that the pipe component of limited angle in arbitrary angle in plane degree and space crosses the connection of node, by complexity
Multidirectional space connecting node the simplification that crosses, attractive in appearanceization be practical;Component manufacturing procedure is simple simultaneously, reduces work
Intensity, labor productivity is improved, structure stress is reasonable, securely and reliably.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein:
Fig. 1 is the longitudinal sectional view of the abnormal curved surface curtain wall pipe component connecting node stressing device of the present invention;
Fig. 2 is Fig. 1 A-A direction views;
Fig. 3 is the floor map of the abnormal curved surface curtain wall pipe component connecting node stressing device of the present invention;
Fig. 4 is the Space adjustment schematic diagram of the abnormal curved surface curtain wall pipe component connecting node stressing device of the present invention;
Fig. 5 is the three-dimensional axial schematic diagram of the abnormal curved surface curtain wall pipe component connecting node stressing device of the present invention;
The mark of each part is as follows in accompanying drawing:1st, lower circular pressing plate, 2, upper circular pressing plate, 3, clamping screw, the 4, second bulb spiral shell
Bar, 5, rotatable connector, 6, lock-screw, 7, pipe component, the 8, first ball screw, 9, pedestal, 10, built-in fitting, 11, pipe structure
Part.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Fig. 1 to Fig. 5 is referred to, the embodiment of the present invention includes:
A kind of abnormal curved surface curtain wall pipe component connecting node stressing device, including:Lower circular pressing plate 1, upper circular pressing plate 2, first
Ball screw 8, rotatable connector 5, the second ball screw 4, pedestal 9, built-in fitting 10 and agent structure 11.
Wedge-shaped circular hole is provided among lower circular pressing plate 1, for blocking the latter half of the first ball screw 8, and allows first
Ball screw 8 can rotate, and have certain angle adjustable.
The lower periphery of circular pressing plate 1 forms semi-circular recesses mouth, for blocking the latter half of the second ball screw 4, and
Edge forms wedge shape, makes the second ball screw 4 not only planar rotatable, also there is angle adjustable outside space.
Semi-circular recesses mouth is provided among upper circular pressing plate 2, for blocking the top half of the first ball screw 8.
Upper circular pressing plate 2 circumferentially forms semi-circular recesses mouth, for blocking the top half of the second ball screw 4, and
Wedge shape is formed at edge, makes the second ball screw 4 not only planar rotatable, also there is angle adjustable outside space.
First ball screw 8 is through at having in wedge-shaped circular hole among lower circular pressing plate 1 in advance, and can be in the lower He of circular pressing plate 1
Rotated in the diameter of Spherical Volume formed among upper circular pressing plate 2.
The quantity of second ball screw 4 cooperates with the quantity of pipe component 7, and the second ball screw 4 is in lower circular pressing plate 1
Rotated in the annulus formed with the upper periphery of circular pressing plate 2, angular adjustment, the second ball screw 4 can be also carried out outside space
It it is 0 ~ 5 ° in the angle of regulation range outside space.
Double-curved shapes are processed into the one end of rotatable connector 5, with 2-in-1 outer of lower circular pressing plate 1 and upper circular pressing plate
Profile coincide.
The centre of rotatable connector 5 has a hollow hole, and the second ball screw 4 is passed through and locked from hollow hole, accordingly
Pipe component 7 be sheathed on outside rotatable connector 5 and locked by lock-screw 6.
Built-in fitting is defaulted in agent structure, and pedestal locks with the first ball screw, can directly be fixedly welded on master
On built-in fitting in body structure.
Hide in the diameter of Spherical Volume formed located at lower circular pressing plate 1 and upper circular pressing plate 2 the bulb part of first ball screw 8
And multi-direction rotation can be realized.Second ball screw 4 slides the ring-type sky located at lower circular pressing plate 1 and upper circular pressing plate formation 2
In, the connection of the pipe component of arbitrary angle in plane degree is suitable for, simultaneously because the construction of bulb, it is possible to achieve positive and negative outside plane
The rotation in 5 degree of spaces.Second ball screw 4 is extended there through and locked by rotatable connector 5, and corresponding pipe component 7 is placed on and can turned
Outside dynamic joint 5 and lock.
The design of whole node is succinct, and easily assembling, in-site installation can realize that plane is rotated and realized at any angle
The connection of space curved surface rod member crosses, attractive in appearance and practical.
The installation process of abnormal curved surface curtain wall pipe component connecting node stressing device of the present invention is:
First ball screw 8 is arranged in the wedge-shaped circular hole among lower circular pressing plate 1 in advance;, will according to the quantity of node pipe component
Second ball screw 4 of respective numbers is placed between circular pressing plate 2 and lower circular pressing plate 1, and by clamping screw 3 (including
Matching nut)Upper circular pressing plate 2 and lower circular pressing plate 1 are clasped;
The section of rotatable connector 5 is processed into hyperboloid, and hollow hole is processed into centre, by the second ball screw 4 (including supporting spiral shell
It is female)4 pass through from hollow hole and can be then placed on outside rotatable connector 5 with nut check, corresponding pipe component 7, pass through lock
Tight screw 6 is locked.
Whole abnormal curved surface curtain wall pipe component connecting node stressing device provides a kind of connected mode, either constructed of aluminium
Or firm structure, this connected mode can be used in place of the component of multidimensional crosses:Pipe component can use if aluminium
The aluminium joint structure of same material;Pipe component can use the steel joint structure of same material if steel.
The beneficial effect of abnormal curved surface curtain wall pipe component connecting node stressing device of the present invention is:
Bulbous configuration is efficiently utilized, realizes that the pipe component of limited angle in arbitrary angle in plane degree and space crosses node
Connection, the simplification that crosses of the multidirectional space connecting node of complexity, attractive in appearanceization is practical;Component manufacturing procedure letter simultaneously
It is single, reduce labor intensity, improve labor productivity, structure stress is reasonable, securely and reliably.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (10)
- A kind of 1. abnormal curved surface curtain wall pipe component connecting node stressing device, it is characterised in that including:Lower circular pressing plate, upper circle Shape pressing plate, the first ball screw, rotatable connector and the second ball screw,The ball head of first ball screw is divided into the diameter of Spherical Volume that lower circular pressing plate and upper circular pressing plate are formed and can realized Multi-direction rotation, the second ball screw are slided in the annulus formed located at lower circular pressing plate and upper circular pressing plate, rotatably Second ball screw is extended there through and locked by joint, and corresponding pipe component is placed on outside rotatable connector and locked.
- 2. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 1, it is characterised in that lower circle Wedge-shaped circular hole is provided among pressing plate, for blocking the latter half of the first ball screw, the first ball screw can be along wedge shape circle Hole carries out angular turn.
- 3. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 2, it is characterised in that lower circle Pressing plate periphery forms semi-circular recesses mouth, and wedge shape is formed for blocking the latter half of the second ball screw, and at edge.
- 4. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 2, it is characterised in that upper circle Semi-circular recesses mouth is provided among pressing plate, for blocking the top half of the first ball screw.
- 5. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 3, it is characterised in that upper circle Pressing plate circumferentially forms semi-circular recesses mouth, and wedge shape is formed for blocking the top half of the second ball screw, and at edge.
- 6. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 4, it is characterised in that the first ball Head screw rod is through at having in wedge-shaped circular hole among lower circular pressing plate in advance, and can be formed among lower circular pressing plate and upper circular pressing plate Diameter of Spherical Volume in rotated.
- 7. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 5, it is characterised in that the second ball The quantity of head screw rod and the quantity of pipe component cooperate, and the second ball screw is in lower circular pressing plate and upper circular pressing plate periphery shape Into annulus in rotate, angular adjustment can be also carried out outside space, the second ball screw is in the angular adjustment outside space Scope is -5 ° ~+5 °.
- 8. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 7, it is characterised in that lower to justify Tightened together between shape pressing plate and upper circular pressing plate by clamping screw.
- 9. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 1, it is characterised in that rotatable The section of joint is hyperboloid, is coincide with lower circular pressing plate and the outline of upper circular pressing plate altogether;In rotatable connector Between there is a hollow hole, the second ball screw is passed through and locked from hollow hole, and corresponding pipe component is sheathed on rotatable connector Outside and locked by lock-screw.
- 10. abnormal curved surface curtain wall pipe component connecting node stressing device according to claim 1, it is characterised in that also wrap Pedestal, built-in fitting and agent structure are included, built-in fitting is defaulted in agent structure, and pedestal locks with the first ball screw, can Directly it is fixedly welded on the built-in fitting in agent structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710636284.7A CN107338889B (en) | 2017-07-31 | 2017-07-31 | Special-shaped curved surface curtain wall pipe component connecting joint stress device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710636284.7A CN107338889B (en) | 2017-07-31 | 2017-07-31 | Special-shaped curved surface curtain wall pipe component connecting joint stress device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107338889A true CN107338889A (en) | 2017-11-10 |
CN107338889B CN107338889B (en) | 2023-04-07 |
Family
ID=60217229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710636284.7A Active CN107338889B (en) | 2017-07-31 | 2017-07-31 | Special-shaped curved surface curtain wall pipe component connecting joint stress device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107338889B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107842138A (en) * | 2017-12-20 | 2018-03-27 | 沈阳远大铝业工程有限公司 | A kind of lighting roof curtain wall frame connecting structure |
CN109695329A (en) * | 2019-03-08 | 2019-04-30 | 珠海市晶艺玻璃工程有限公司 | A kind of spatial metal plate fixation system and its installation method |
CN113445551A (en) * | 2021-07-31 | 2021-09-28 | 中建三局集团有限公司 | Basement outer wall post-cast strip advanced sealing structure and construction method thereof |
CN115890179A (en) * | 2022-11-21 | 2023-04-04 | 成都环泰睿诚科技有限公司 | Self-adaptive mounting fixing pin device for aero-engine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201843235U (en) * | 2010-08-26 | 2011-05-25 | 赵勋海 | Spherical hinge fixture for point imperforate glass curtain wall |
CN202299050U (en) * | 2011-10-27 | 2012-07-04 | 沈阳远大铝业工程有限公司 | Unitized curtain wall plate ball hinge type universal connecting device |
CN103216011A (en) * | 2013-04-10 | 2013-07-24 | 姚传海 | Member bar connecting device applied in complicated building space structural system |
KR101438132B1 (en) * | 2014-04-30 | 2014-09-12 | 김영권 | Hub structure for constructing curtain wall |
CN104047366A (en) * | 2014-06-13 | 2014-09-17 | 深圳市三鑫幕墙工程有限公司 | Universal spherical connecting device |
-
2017
- 2017-07-31 CN CN201710636284.7A patent/CN107338889B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201843235U (en) * | 2010-08-26 | 2011-05-25 | 赵勋海 | Spherical hinge fixture for point imperforate glass curtain wall |
CN202299050U (en) * | 2011-10-27 | 2012-07-04 | 沈阳远大铝业工程有限公司 | Unitized curtain wall plate ball hinge type universal connecting device |
CN103216011A (en) * | 2013-04-10 | 2013-07-24 | 姚传海 | Member bar connecting device applied in complicated building space structural system |
KR101438132B1 (en) * | 2014-04-30 | 2014-09-12 | 김영권 | Hub structure for constructing curtain wall |
CN104047366A (en) * | 2014-06-13 | 2014-09-17 | 深圳市三鑫幕墙工程有限公司 | Universal spherical connecting device |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107842138A (en) * | 2017-12-20 | 2018-03-27 | 沈阳远大铝业工程有限公司 | A kind of lighting roof curtain wall frame connecting structure |
CN109695329A (en) * | 2019-03-08 | 2019-04-30 | 珠海市晶艺玻璃工程有限公司 | A kind of spatial metal plate fixation system and its installation method |
CN113445551A (en) * | 2021-07-31 | 2021-09-28 | 中建三局集团有限公司 | Basement outer wall post-cast strip advanced sealing structure and construction method thereof |
CN115890179A (en) * | 2022-11-21 | 2023-04-04 | 成都环泰睿诚科技有限公司 | Self-adaptive mounting fixing pin device for aero-engine |
CN115890179B (en) * | 2022-11-21 | 2023-09-26 | 成都环泰睿诚科技有限公司 | Self-adaptive fixing pin installation device for aero-engine |
Also Published As
Publication number | Publication date |
---|---|
CN107338889B (en) | 2023-04-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107338889A (en) | Abnormal curved surface curtain wall pipe component connecting node stressing device | |
CN108678245B (en) | Unit type curved surface aluminum plate curtain wall system | |
CN207176997U (en) | Abnormal curved surface curtain wall pipe component connecting node stressing device | |
CN107663904B (en) | Reticulated shell structure and box type node support thereof | |
CN206487027U (en) | A kind of overlapping joint | |
CN109811880A (en) | A bamboo tube triangular structure and its original bamboo multi-tube bundle spatial grid structure | |
CN206319844U (en) | Eccentric drilling tool | |
CN207176996U (en) | T-steel arbitrary angle in plane degree connecting node stressing device | |
CN209278703U (en) | It is a kind of for manufacturing the straight tube and bend pipe of bend pipe | |
CN115726505A (en) | Angle-adjustable curtain wall aluminum section upright post and angle adjusting method thereof | |
CN217288986U (en) | Spraying device with adjustable box wall angle | |
CN111468880A (en) | An easy-to-operate frame welding station | |
CN206592407U (en) | A kind of nut and the spiro connection structure with the nut | |
CN208618559U (en) | A kind of reverse taper spiral building structure | |
CN207982604U (en) | The intermediate strutting device of adaptive-length | |
CN210134531U (en) | Y-shaped cast steel joint for connecting multiple round pipes | |
CN207777355U (en) | One kind being fixedly connected with component | |
CN219561139U (en) | Novel wear-resistant pear-shaped pipe expander | |
CN201038297Y (en) | Adjustable satellite receiving antenna bracket | |
JP4730850B2 (en) | Domed structure | |
CN206428813U (en) | A kind of Space configuration formula is intubated node structure | |
CN106122650B (en) | The active joint of walled tube | |
CN206633247U (en) | Trendy folder glass arm | |
CN104149624B (en) | Framework assembly of automobile instrument panel | |
CN218668188U (en) | Beam waist combined steel pipe column structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 214000 Ganlu South HengTou, Ehu Town, Xishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Hengshang Energy Saving Technology Co.,Ltd. Address before: 214000 Ganlu South HengTou, Ehu Town, Xishan District, Wuxi City, Jiangsu Province Patentee before: WUXI HENGSHANG DECORATION ENGINEERING Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |