DK1330577T3 - Fremgangsmåde og apparat til gravning af gröfter eller render - Google Patents
Fremgangsmåde og apparat til gravning af gröfter eller renderInfo
- Publication number
- DK1330577T3 DK1330577T3 DK01976486T DK01976486T DK1330577T3 DK 1330577 T3 DK1330577 T3 DK 1330577T3 DK 01976486 T DK01976486 T DK 01976486T DK 01976486 T DK01976486 T DK 01976486T DK 1330577 T3 DK1330577 T3 DK 1330577T3
- Authority
- DK
- Denmark
- Prior art keywords
- trench
- chain cutter
- face
- cutting device
- prime mover
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/082—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain including a belt-type conveyor for transporting the excavated material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/06—Dredgers; Soil-shifting machines mechanically-driven with digging screws
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/085—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain with auxiliary or additional digging elements other than digging elements on an endless chain
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/088—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain pivotable relative to the frame
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
- E02F3/10—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain with tools that only loosen the material, i.e. with cutter-type chains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/181—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels including a conveyor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/188—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with the axis being horizontal and transverse to the direction of travel
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/04—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging screws
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/06—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging elements mounted on an endless chain
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
- Earth Drilling (AREA)
- Element Separation (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
- Harvester Elements (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
- Numerical Control (AREA)
- Crushing And Grinding (AREA)
- Sewage (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0025899A GB2368358B (en) | 2000-10-23 | 2000-10-23 | Trenching method and apparatus |
PCT/GB2001/004664 WO2002035016A1 (en) | 2000-10-23 | 2001-10-19 | Trenching method and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
DK1330577T3 true DK1330577T3 (da) | 2007-05-14 |
Family
ID=9901790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK01976486T DK1330577T3 (da) | 2000-10-23 | 2001-10-19 | Fremgangsmåde og apparat til gravning af gröfter eller render |
Country Status (18)
Country | Link |
---|---|
US (1) | US6658767B2 (da) |
EP (1) | EP1330577B1 (da) |
JP (2) | JP4112975B2 (da) |
KR (1) | KR100822931B1 (da) |
CN (1) | CN1216214C (da) |
AT (1) | ATE353111T1 (da) |
AU (2) | AU9575501A (da) |
BR (1) | BR0114843B1 (da) |
CA (1) | CA2426575C (da) |
DE (1) | DE60126418T2 (da) |
DK (1) | DK1330577T3 (da) |
EA (1) | EA004396B1 (da) |
ES (1) | ES2277946T3 (da) |
GB (1) | GB2368358B (da) |
NO (1) | NO20031795L (da) |
PT (1) | PT1330577E (da) |
WO (1) | WO2002035016A1 (da) |
ZA (1) | ZA200302812B (da) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR0117174B1 (pt) * | 2001-11-13 | 2010-11-16 | método e aparelho para abrir valas. | |
AU2002952972A0 (en) * | 2002-11-28 | 2002-12-12 | Mitchell Australasia Pty Ltd | Trench forming and preparing apparatus |
US7152348B2 (en) * | 2004-01-22 | 2006-12-26 | Vermeer Manufacturing Company | Excavation apparatus |
US7150115B2 (en) * | 2004-09-21 | 2006-12-19 | Parker Darryll F | All earth foundation trencher |
US20060171782A1 (en) * | 2005-01-20 | 2006-08-03 | Neiwert Nathan R | Pipe bedding system |
US7290360B2 (en) * | 2005-09-26 | 2007-11-06 | Vermeer Manufacturing Company | Excavation apparatus |
ITUD20060104A1 (it) * | 2006-04-21 | 2007-10-22 | Casagrande Spa | Dispositivo di scavo |
US7553258B2 (en) * | 2006-10-17 | 2009-06-30 | Tesmec Usa, Inc. | Excavation machine with constant power output control for torque-converter driven working element |
US7726048B2 (en) * | 2006-11-30 | 2010-06-01 | Caterpillar Inc. | Automated machine repositioning in an excavating operation |
US7694442B2 (en) * | 2006-11-30 | 2010-04-13 | Caterpillar Inc. | Recommending a machine repositioning distance in an excavating operation |
US7753132B2 (en) * | 2006-11-30 | 2010-07-13 | Caterpillar Inc | Preparation for machine repositioning in an excavating operation |
US7634863B2 (en) * | 2006-11-30 | 2009-12-22 | Caterpillar Inc. | Repositioning assist for an excavating operation |
WO2011041787A2 (en) * | 2009-10-02 | 2011-04-07 | Vermeer Manufacturing Company | Excavation machine with auto reverse |
US8176662B2 (en) * | 2010-06-17 | 2012-05-15 | Larry William Peterson | Digging system and method |
DE102010025681B3 (de) * | 2010-06-30 | 2011-11-17 | Wq-Tec Ag | Erdkollektor für eine Wärmepumpe und Fräse zum Fräsen eines Schlitzes ins Erdreich |
CN101956411B (zh) * | 2010-09-18 | 2012-09-05 | 张永忠 | 自动清泥器 |
BR112013022326A2 (pt) | 2011-03-21 | 2017-05-30 | Vermeer Mfg Co | máquina de escavação de superfície |
GB2495950A (en) * | 2011-10-26 | 2013-05-01 | Ihc Engineering Business Ltd | Steerbale underwater trenching apparatus |
GB2497729A (en) * | 2011-12-14 | 2013-06-26 | Ihc Engineering Business Ltd | Trench Cutting Apparatus and Method |
CN102704521B (zh) * | 2012-06-12 | 2014-07-30 | 张永忠 | 链条式锯槽机的一种锯槽方法 |
CN102979114B (zh) * | 2012-09-17 | 2016-02-03 | 李广辉 | 独链条挖掘提升平移散装物料系列机械 |
AU2016201565B2 (en) | 2015-03-16 | 2020-11-12 | Vermeer Manufacturing Company | Wide-End Trencher Boom |
ITUB20152547A1 (it) | 2015-07-28 | 2017-01-28 | Saipem Spa | Assieme di interramento in una trincea per una condotta continua e metodo di interramento |
WO2018028477A1 (zh) | 2016-08-12 | 2018-02-15 | 成都市猎石者破岩科技有限责任公司 | 用于破岩机的车体、破岩机及破岩方法 |
JP6254670B1 (ja) * | 2016-12-28 | 2017-12-27 | 株式会社Kgフローテクノ | 連続壁掘削機 |
CN107620330A (zh) * | 2017-09-14 | 2018-01-23 | 成都利拓机械租赁有限公司 | 一种铣挖设备及铣挖施工方法 |
CN109138028B (zh) * | 2018-10-30 | 2023-09-05 | 徐州徐工基础工程机械有限公司 | 一种传动装置、用于挖沟机的铣轮传动装置及挖沟机 |
CN110565718A (zh) * | 2019-09-24 | 2019-12-13 | 成都市猎石者破岩科技有限责任公司 | 开沟机 |
CN118207922A (zh) * | 2022-03-25 | 2024-06-18 | 中铁工程装备集团有限公司 | 一种双模式掘沟机 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1769074A (en) * | 1926-02-11 | 1930-07-01 | Benjamin Tornavacca | Ditch digger |
CH239498A (fr) * | 1943-07-26 | 1945-10-31 | Grands Travaux Sa Entreprise D | Excavateur pour la formation de tranchées. |
GB832001A (en) | 1957-05-22 | 1960-04-06 | David Lynn Wyatt | Improvements in land drainage mole plough assembly |
US3967396A (en) | 1974-09-23 | 1976-07-06 | Canron, Inc. | Undercutter with rotary trencher |
DE2700950B1 (de) * | 1977-01-12 | 1978-03-30 | Paurat F | Grabenfraese |
JPS5629413Y2 (da) * | 1978-03-02 | 1981-07-13 | ||
US4230372A (en) * | 1978-12-04 | 1980-10-28 | H. B. Zachry Company | Dual rock cutter wheel trencher |
JPS57137531A (en) | 1981-02-20 | 1982-08-25 | Kokusai Denshin Denwa Co Ltd <Kdd> | Excavating method and device for ditch in bottom of water |
EP0080802A1 (en) * | 1981-10-14 | 1983-06-08 | James Christopher Wallace | A machine for cutting a trench in rock |
JPS5859854U (ja) * | 1981-10-14 | 1983-04-22 | 小松造機株式会社 | トレンチヤ |
JPS5876622A (ja) | 1981-10-31 | 1983-05-09 | Kobashi Kogyo Kk | 溝堀装置 |
DE3207104A1 (de) * | 1982-02-27 | 1983-09-08 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Grabenfraese |
GB2133436A (en) * | 1983-01-12 | 1984-07-25 | Trenchers Developments Limited | A boom type of trenching machine |
NL179496C (nl) | 1983-12-06 | 1986-09-16 | Mechanisatiebedrijf Jan Smedes | Greppelfrees. |
JPS60250129A (ja) * | 1984-05-25 | 1985-12-10 | Mitsui Miike Mach Co Ltd | 連続溝掘機 |
JPS6237428A (ja) * | 1985-08-09 | 1987-02-18 | Kanhai:Kk | 地面掘削装置 |
US4755001A (en) | 1986-09-08 | 1988-07-05 | Gilbert Jerry F | Road planar |
BE1002544A6 (fr) | 1988-10-14 | 1991-03-19 | I T S Gb Ltd | Trancheuse. |
US4908967A (en) | 1988-12-16 | 1990-03-20 | Leece Quentin J | Heavy duty rock trencher |
DE3911624A1 (de) | 1989-04-09 | 1990-10-11 | Delmag Maschinenfabrik | Schlitzwandfraese |
US5056242A (en) * | 1989-05-12 | 1991-10-15 | Finic, B.V. | Underground wall construction method and apparatus |
US5074063A (en) * | 1989-06-02 | 1991-12-24 | Pella Engineering & Reseach Corporation | Undercut trenching machine |
DE4018086A1 (de) | 1990-06-06 | 1992-05-21 | Guenter Wagner | Horizontal- und druckmodul fuer schlitzwandverfahren im spezialtiefbau |
DE4213523B4 (de) * | 1992-04-24 | 2005-12-08 | Tamrock Voest-Alpine Bergtechnik Ges.m.b.H. | Mobiles Fräsladegerät, insbesondere Bodenfräsgerät |
GB9218237D0 (en) | 1992-08-27 | 1992-10-14 | Mastenbroek & Co Ltd J | Excavating and pipe laying machines |
FR2696769B1 (fr) | 1992-10-12 | 1994-12-09 | Sol Cie | Appareil pour creuser dans le sol des tranchées de grande profondeur à l'aide de tambours de fraisage. |
US5575079A (en) * | 1993-10-29 | 1996-11-19 | Tokyo Electron Limited | Substrate drying apparatus and substrate drying method |
GB9323298D0 (en) | 1993-11-11 | 1994-01-05 | Mastenbroek & Co Ltd J | Improvements in and relating to excavating apparatus |
JPH07197485A (ja) | 1993-12-28 | 1995-08-01 | Komatsu Ltd | 建設機械の作業機制御装置 |
KR0173835B1 (ko) | 1994-06-01 | 1999-02-18 | 오까다 하지모 | 건설기계의 영역제한 굴삭제어장치 |
JP3091667B2 (ja) | 1995-06-09 | 2000-09-25 | 日立建機株式会社 | 建設機械の領域制限掘削制御装置 |
US5586399A (en) | 1995-08-22 | 1996-12-24 | V.T.S. Trenching Systems Ltd. | Vertical trencher apparatus employing cutter having helical channel of varying rise angle |
AUPN631995A0 (en) | 1995-11-01 | 1995-11-23 | University Of Queensland, The | Methods and apparatus for excavating a solid material |
AUPO051196A0 (en) | 1996-06-17 | 1996-07-11 | Australian Equipment Designers Pty Ltd | Digging machine |
DE19727549C2 (de) | 1997-06-28 | 2000-03-02 | Wirtgen Gmbh | Vorrichtung sowie Verfahren zum Ausheben und Auffüllen von Erdreich |
JP2000160592A (ja) * | 1998-11-25 | 2000-06-13 | Nippon Sharyo Seizo Kaisha Ltd | 連続土留壁構築方法及びその装置 |
-
2000
- 2000-10-23 GB GB0025899A patent/GB2368358B/en not_active Expired - Lifetime
-
2001
- 2001-10-19 CA CA002426575A patent/CA2426575C/en not_active Expired - Lifetime
- 2001-10-19 AT AT01976486T patent/ATE353111T1/de active
- 2001-10-19 ES ES01976486T patent/ES2277946T3/es not_active Expired - Lifetime
- 2001-10-19 JP JP2002537977A patent/JP4112975B2/ja not_active Expired - Lifetime
- 2001-10-19 CN CN018178391A patent/CN1216214C/zh not_active Expired - Lifetime
- 2001-10-19 PT PT01976486T patent/PT1330577E/pt unknown
- 2001-10-19 EA EA200300500A patent/EA004396B1/ru not_active IP Right Cessation
- 2001-10-19 DK DK01976486T patent/DK1330577T3/da active
- 2001-10-19 AU AU9575501A patent/AU9575501A/xx active Pending
- 2001-10-19 EP EP01976486A patent/EP1330577B1/en not_active Expired - Lifetime
- 2001-10-19 KR KR1020037005589A patent/KR100822931B1/ko not_active IP Right Cessation
- 2001-10-19 AU AU2001295755A patent/AU2001295755B2/en not_active Expired
- 2001-10-19 WO PCT/GB2001/004664 patent/WO2002035016A1/en active IP Right Grant
- 2001-10-19 BR BRPI0114843-5A patent/BR0114843B1/pt not_active IP Right Cessation
- 2001-10-19 DE DE60126418T patent/DE60126418T2/de not_active Expired - Lifetime
- 2001-11-13 US US09/987,203 patent/US6658767B2/en not_active Expired - Lifetime
-
2003
- 2003-04-10 ZA ZA200302812A patent/ZA200302812B/xx unknown
- 2003-04-22 NO NO20031795A patent/NO20031795L/no not_active Application Discontinuation
-
2008
- 2008-01-11 JP JP2008003783A patent/JP4575961B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU9575501A (en) | 2002-05-06 |
JP2008150942A (ja) | 2008-07-03 |
PT1330577E (pt) | 2007-04-30 |
BR0114843A (pt) | 2004-02-17 |
EP1330577A1 (en) | 2003-07-30 |
CA2426575A1 (en) | 2002-05-02 |
KR20030045131A (ko) | 2003-06-09 |
US20020056211A1 (en) | 2002-05-16 |
WO2002035016A1 (en) | 2002-05-02 |
JP4112975B2 (ja) | 2008-07-02 |
KR100822931B1 (ko) | 2008-04-16 |
US6658767B2 (en) | 2003-12-09 |
EP1330577B1 (en) | 2007-01-31 |
DE60126418D1 (de) | 2007-03-22 |
ES2277946T3 (es) | 2007-08-01 |
GB0025899D0 (en) | 2000-12-06 |
JP4575961B2 (ja) | 2010-11-04 |
GB2368358A (en) | 2002-05-01 |
BR0114843B1 (pt) | 2010-12-14 |
ATE353111T1 (de) | 2007-02-15 |
EA004396B1 (ru) | 2004-04-29 |
CA2426575C (en) | 2009-09-01 |
DE60126418T2 (de) | 2007-11-29 |
GB2368358B (en) | 2004-10-13 |
AU2001295755B2 (en) | 2007-01-04 |
ZA200302812B (en) | 2004-04-13 |
NO20031795L (no) | 2003-06-19 |
CN1471602A (zh) | 2004-01-28 |
JP2004512447A (ja) | 2004-04-22 |
EA200300500A1 (ru) | 2003-08-28 |
NO20031795D0 (no) | 2003-04-22 |
CN1216214C (zh) | 2005-08-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK1330577T3 (da) | Fremgangsmåde og apparat til gravning af gröfter eller render | |
DK1444405T3 (da) | Fremgangsmåde og apparat til gravning af gröfter eller render | |
ATE67260T1 (de) | Grabenaushubvorrichtung zum herstellen und absteifen von schlitzwaenden. | |
CN110284543A (zh) | 一种清礁船及其水下礁石清理方法 | |
FI90899C (fi) | Vedenalainen kone putkilinjojen asentamiseksi veden alle | |
CA2357123A1 (en) | Wide multiple-chain trenching machine | |
JP2021104066A (ja) | 根菜掘り取り機 | |
RU2239027C1 (ru) | Траншеекопатель | |
CA1298981C (en) | Method and apparatus for simultaneous trenching and pipelaying in an arctic environment | |
JP2001220725A (ja) | 海草除去および磯焼け対策用水中バックホウのアタッチメント | |
RU2722189C1 (ru) | Способ разработки горных пород и грунтов бульдозером параллельными траншеями | |
RU24844U1 (ru) | Устройство для выемки и перемещения грунта | |
RU93017359A (ru) | Способ прокладки трубопровода по морскому грунту и устройство для его осуществления | |
SU1439182A1 (ru) | Земснар д дл дноуглубительных работ | |
JPH0684805U (ja) | 山いも・ごぼう等の根菜類の掘取装置 | |
CA2484710A1 (en) | Trencher | |
CN2866628Y (zh) | 切磋式开沟机 | |
SE8802147D0 (sv) | Grevaggregat exempelvis for dikesgrevning | |
KR100356744B1 (en) | Method for constructing marine sand compaction pile in lower depth by marine sand compaction pile line only for lower depth with inclination leader | |
JP2006320276A (ja) | 長いも掘取り装置 | |
IT1094284B (it) | Apparecchiatura per l'affossamento subacqueo di tubazioni | |
SU571550A1 (ru) | Многоковшовый экскаватор | |
TW354814B (en) | Method of and apparatus for digging ground for building a harbor | |
ITFE920001A1 (it) | Macchina combinata falciaerba per fossi |