DK141798B - BRANCH DEVICE TO CONNECT A MULTIPLE CONNECTOR CABLE WITH A MULTIPLE CONNECTOR CABLE - Google Patents
BRANCH DEVICE TO CONNECT A MULTIPLE CONNECTOR CABLE WITH A MULTIPLE CONNECTOR CABLE Download PDFInfo
- Publication number
- DK141798B DK141798B DK451469A DK451469A DK141798B DK 141798 B DK141798 B DK 141798B DK 451469 A DK451469 A DK 451469A DK 451469 A DK451469 A DK 451469A DK 141798 B DK141798 B DK 141798B
- Authority
- DK
- Denmark
- Prior art keywords
- cable
- sleeve
- wires
- inserts
- connector cable
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
- H01R9/031—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for multiphase cables, e.g. with contact members penetrating insulation of a plurality of conductors
Landscapes
- Cable Accessories (AREA)
Description
(é$ (11) FREMLÆGGELSESSKRIFT 141798 DANMARK (51) ,nt Cl 3 H 02 6 15/08 «(21) Ansøgning nr. 4514/69 (22) Indleveret den 22. 3Ug. 19^9 (23) Løbedag 22. aug. 19^9 (44) Ansøgningen fremlagt og , 1 nftn fremlaggelsesskriftet offentliggjort den ' * ' 7ou(é $ (11) PUBLICATION WRITING 141798 DENMARK (51), nt Cl 3 H 02 6 15/08 '(21) Application No. 4514/69 (22) Filed on the 22nd of August 19 ^ 9 (23) Running Day 22. Aug. 19 ^ 9 (44) The application submitted and, 1 ntn of the petition published on '*' 7ou
DIREKTORATET FORDIRECTORATE OF
PATENT-OG VAREMÆRKEVÆSENET (30) Prioritet begæret fra dan 4. sep. 19^8, 1790060, DF.PATENT AND TRADEMARKET (30) Priority requested from dan 4 sep. 19 ^ 8, 1790060, DF.
(71) ALOIS SCHIFFMANN, D-8 Muenchen 8, Streitfeldstr. 15a DE.(71) ALOIS SCHIFFMANN, D-8 Muenchen 8, Streitfeldstr. 15a DE.
(72) Opfinder: Georg Czernek, D-8011 Pliening 87, DE.(72) Inventor: Georg Czernek, D-8011 Placement 87, DE.
(74) Fuldmægtig under sagene behandling:(74) Plenipotentiary in the proceedings:
Kontor for Industriel Eneret ved Svend Schønning.Office for Industrial Excellence by Svend Schønning.
(64) Forgrenings anordning til at forbinde et flerleder-hovedkabel med et flerleder-afgreningskabel.(64) Branching device for connecting a multi-conductor main cable to a multi-conductor branch cable.
Den foreliggende opfindelse angår en forgreningsanordning til at forbinde et flerleder-hovedkabel med et flerleder-forgreningskabel ved hjælp af organer, der tilvejebringer kontakt mellem forgreningskablets og hovedkablets ledere uden at de sidstnævnte behøver at blive afisoleret på de pågældende steder, samt med en kapsel, der omgiver organerne for kontaktdannelsen.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a branching device for connecting a multi-conductor mains cable to a multi-conductor branching cable by means providing contact between the conductors of the branching cable and the main cable without the latter having to be stripped at the locations concerned, as well as a capsule which surrounds the organs of contact formation.
Forbindelsen af et hovedkabel med et forgreningskabel kan ske ved at klemskruer, efter afklædning af hovedkablet, anbringes på de ikke afisolerede ledninger, idet klemskruerne er forsynet med kontaktanordninger til de ikke afisolerede lednin- 141798 2 ger. Til hver klemskrue tilsluttes da en ledning fra forgreningskablet. Klemskruerne kan også sammenfattes i en ring. I forbindelse hermed bliver forbindelsespunktet med klemskruerne lagt ind i en kabelmuffe, som lukkes og eventuelt sammenstøbes. Monteringen af en sådan forbindelse er, på grund af de forskellige processer, der er forbundet med tilslutningen og indsætningen i muffen, kostbar. En bestemt størrelse af kabelmuffen må heller ikke underskrides, da det afklædte hovedkabelstykke med klemskruerne skal anbringes i muffen. På grund af de forannævnte processer og muffens størrelse er også monteringen under snævre pladsforhold, såsom i en kabelgrav, vanskelig.The connection of a main cable to a branch cable can be done by attaching clamping screws, after cladding the main cable, to the non-stripped wires, the clamping screws being provided with contact devices for the non-stripped wires. A cable from the branching cable is then connected to each terminal screw. The clamping screws can also be folded into a ring. In connection with this, the connection point with the clamping screws is inserted into a cable sleeve which is closed and possibly molded. The mounting of such a connection is expensive due to the various processes associated with the connection and insertion into the socket. Also, a certain size of the cable sleeve must not be undercut, as the disassembled main cable piece with the clamping screws must be placed in the sleeve. Due to the aforementioned processes and the size of the sleeve, mounting under tight space conditions, such as in a cable trench, is also difficult.
Opfindelsen har til formål at undgå de omtalte ulemper og tilvejebringe en forgreningsanordning, der muliggør en hurtigere og simplere montage, som har mindre diameter end de kendte forgreningsanordninger og som letter monteringen under dårlige pladsforhold, dvs. kræver en mindre udgravning omkring kablerne.The invention aims to avoid the aforementioned disadvantages and to provide a branching device which allows a faster and simpler assembly which is smaller in diameter than the known branching devices and which facilitates mounting in poor space conditions, ie. requires a minor excavation around the cables.
Dette opnås ifølge opfindelsen med en forgreningsanordning af den ovenfor nævnte art, som er ejendommelig ved at kapslen er udformet som kabelmuffehus. Takket være denne udformning bortfalder særskilte klemmer til at danne kontakt med lederne, idet kontaktdannelsen med lederne og omhyldningen af forbindelsesstedet sker ved hjælp af en og samme anordning, nemlig den med kontaktorganerne forsynede og som muffehus tjenende kapsel. Med forgreningsanordninger ifølge opfindelsen sparer man således et ekstra arbejdstrin til montering af en kabelmuffe omkring forgreningsanordninger efter forbindelsen af kablerne.This is achieved according to the invention with a branching device of the kind mentioned above, which is characterized in that the capsule is designed as a cable sleeve housing. Thanks to this design, separate clamps for contacting the conductors are eliminated, the contacting with the conductors and the envelope of the connection site being effected by one and the same device, namely the capsule provided with the contact means and as a sleeve housing. Thus, with branching devices according to the invention, an extra working step for mounting a cable sleeve around branching devices after connecting the cables is saved.
Forgreningsanordningens organer til kontaktdannelsen kan med fordel være skær, som er placeret på mellem lederne indskubbede kiler. Med en sådan udformning har man en mindre risi- 9 ko for strømoverføring til kabelmuffehuset.The means of the branching device for the contact formation may advantageously be inserts placed on the wedges pushed between the conductors. With such a design, there is a lower risk of power transmission to the cable sleeve housing.
Forgreningsanordningen kan endvidere med fordel have en gennem muffehuset ført klemskrue indrettet til etablering af det til kontaktdannelsen nødvendige kontakttryk samtidigt med at der på indersiden af muffen er anbragt skær, der er isoleret i forhold til hinanden. Med en sådan udformning opnås en særligt let montage, idet man ved at stramme kun en klemskrue kan etablere kontakt for alle kablets ledere.Further, the branching device may advantageously have a clamping screw inserted through the sleeve housing to establish the contact pressure necessary for the contact formation, while at the inside of the sleeve inserts are insulated relative to each other. With such a design, a particularly easy mounting is achieved, by tightening only one clamping screw can establish contact for all the conductors of the cable.
3 1417983 141798
Nogle udførelsesformer for opfindelsen er vist på tegningen, hvor fig. 1 er et tværsnit gennem en første udførelsesform for en forgreningsanordning ifølge opfindelsen med fræseskruer, fig. 2 et længdesnit gennem forgreningsanordningen ifølge fig. 1, fig. 3 et tværsnit gennem en anden udførelsesform for forgreningsanordningen ifølge opfindelsen med på indersiden af muffehuset anbragte skær, fig. 4 et længdesnit gennem forgreningsanordningen ifølge fig. 3, fig. 5 et tværsnit gennem en tredje udførelsesform for en forgreningsanordning ifølge opfindelsen med kontaktkiler, fig. 6 et længdesnit gennem forgreningsanordningen ifølge fig. 5, fig. 7 et tværsnit gennem en fjerde udførelsesform for en forgreningsanordning ifølge opfindelsen ved hvilken kontakten kommer i stand ved lukning af muffen, og fig. 8 et længdesnit af forgreningsanordningen ifølge fig. 7.Some embodiments of the invention are shown in the drawing, in which fig. 1 is a cross-section through a first embodiment of a branching device according to the invention with milling screws; FIG. 2 is a longitudinal section through the branching device of FIG. 1, FIG. 3 is a cross-section through another embodiment of the branching device according to the invention with inserts arranged on the inside of the sleeve housing; FIG. 4 is a longitudinal section through the branching device of FIG. 3, FIG. 5 is a cross-section through a third embodiment of a branch wedge device according to the invention; 6 is a longitudinal section through the branching device of FIG. 5, FIG. 7 is a cross-section through a fourth embodiment of a branching device according to the invention, in which the contact is established by closing the sleeve; and FIG. 8 is a longitudinal section of the branching device of FIG. 7th
Ifølge fig. 1 og 2 består forgreningsanordningen af en kabelmuffe i form af en underdel 1 og et låg 2, som gennem nogle skruer 3 og 4 er forbundet med hinanden. I kabelmuffen ligger et hovedkabel med ledninger 5, 6 og 7, der er omgivet af et isolationslag 8, 9 og 10. Gennem muffens låg 2 går fræse-skruen 11 og gennem underdelen går fræseskruerne 12 og 13. Efter at kabelmuffen er lukket bliver disse fræseskruer skruet mod ledningerne og gennembryder med deres på endefladerne anbragte fræsere 14, 15 og 16 isolationslagene 8, 9 og 10. Fræseskruerne 11, 12 og 13 er indført i nogle kontaktstykker 17, 18 og 19, i hvilke ledningerne 20, 21 og 22 i et forgreningskabel 23 er fastgjort. Kontaktstykkerne og fræseskruerne står under tryk fra nogle fjedre 24, 25 og 26. De gennem muffen forløbende styrehuller til fræseskruerne bliver efter stramning af fræseskruerne tætnet ved skruepropper 27, 28 og 29. Mellem ledningerne ligger til sikring af afstanden kiler 30, 21 og 32 af isolationsmateriale. Gennem kabelmuffen føres nogle bundter 34 og 35 af 4 141798 hovedkablets trådkappe, hvilke tråde ved hjælp af en klemskrue 36 er forbundet med et bundt 35 af forgreningskablets trådkappe.According to FIG. 1 and 2, the branching device consists of a cable sleeve in the form of a lower part 1 and a lid 2, which are connected to each other through some screws 3 and 4. In the cable sleeve is a main cable with wires 5, 6 and 7, which is surrounded by an insulating layer 8, 9 and 10. Through the sleeve lid 2 the milling screw 11 goes and through the lower part the milling screws 12 and 13. After the cable sleeve is closed, milling screws screwed against the wires and piercing with their cutters 14, 15 and 16 on the insulation layers 8, 9 and 10. The milling screws 11, 12 and 13 are inserted into some contact pieces 17, 18 and 19 in which the wires 20, 21 and 22 in a branch cable 23 is attached. The contact pieces and milling screws are pressurized by some springs 24, 25 and 26. The guide holes for the milling screws which pass through the sleeve are sealed, after tightening the milling screws, by screw plugs 27, 28 and 29. Between the wires are located to secure the distance wedges 30, 21 and 32 of insulation material. Through the cable sleeve, some bundles 34 and 35 of the main cable thread sheath are passed which threads are connected by means of a clamping screw 36 to a bundle 35 of the branch cable thread sheath.
Ifølge fig. 3 og 4 er i kabelmuffens underdel 41 anbragt skær 43 og 44, medens i låget 42 skær 45 over klemstykket 46 og fjederringe 47' er forbundet med en klemskrue 47.According to FIG. 3 and 4, inserts 43 and 44 are provided in the lower part of the cable sleeve 41, while in the lid 42 inserts 45 over the clamping piece 46 and spring rings 47 'are connected to a clamping screw 47.
Skærene med klemstykket og skruen føres i en gennemgangsåbning 48 ind i kabelmuffens låg 42. Skærene 43, 44 og 45 er forsynet med udtagninger 49, 50 og 51. Mellem ledningerne 53, 54 og 55 i hovedkablet ligger isolationskilerne 56, 57 og 58.The inserts with the clamping piece and the screw are inserted in a passage opening 48 into the cover 42 of the cable sleeve. The inserts 43, 44 and 45 are provided with recesses 49, 50 and 51. Between the wires 53, 54 and 55 in the main cable are the insulation wedges 56, 57 and 58.
Et bundt af samlede tråde fra hovedkablets kappe er betegnet med 59. Efter at hovedkablet er afklædt i området omkring forbindelsesstedet og isolationskileme er indskudt mellem ledningerne, bliver hovedkablet lagt i kabelmuffen og denne lukket. I forbindelse hermed bliver ved hjælp af klemskruen 47 skærene 45 trykket mod ledningen 53 og gennembryder dennes isolation, således at disse kommer i kontakt med ledningen 53, hvorefter forbindelsen til ledning 51 i forgreningskablet er etableret. Reaktionen på det ved skruen 47 frembragte tryk bevirker, at skærene 43 og 44 gennembryder ledningerne 54 og 55's isolationslag og kommer i kontakt med disse, således at forbindelserne til ledningerne 49 og 50 i forgreningskablet bliver etableret samtidig.A bundle of assembled wires from the main cable sheath is designated 59. After the main cable is disengaged in the area around the connection site and the insulation pins are inserted between the wires, the main cable is inserted into the cable sleeve and closed. In connection with this, by means of the clamping screw 47, the inserts 45 are pressed against the conduit 53 and break through its insulation so that they come into contact with the conduit 53, after which the connection to conduit 51 in the branching cable is established. The reaction to the pressure produced by the screw 47 causes the inserts 43 and 44 to break through the insulating layers of the wires 54 and 55 and come into contact with them, so that the connections to the wires 49 and 50 of the branch cable are established simultaneously.
Ifølge fig. 5 og 6 er mellem ledningerne 61,62 og 63 i hovedkablet indskudt kiler 64, 65 og 66, der til enhver tid på den éne side er forsynet med metalliske skær 67, 68 og 69, hvilke skær gennembryder isolationen på ledningerne 61, 62 og 63 og kommer i kontakt med disse. De metalliske skær 67, 68 og 69 fortsætter i øjer 70, 71 og 72, i hvilke forgreningsledningerne 73, 74 og 75 er fastgjort. På de mod hinanden liggende sider er kilerne forsynet med skær af isolerende materiale 76, 77 og 78, der til tilvejebringelse af god mekanisk stabilitet trænger ind i den til enhver tid tilgrænsende leder. I underdelen af muffehuset 79 er anbragt i forhold til hinanden isolerede skær 80 og 81, medens der i muffens låg 82 er indført en klemskrue 83, der kan dreje i forhold til et isoleret skær 84. Ved spænding af skruen 83 efter muffen er lukket trænger alle skær ind i ledningernes isolation, hvorved skærene 67, 68 og 69 kommer i kontakt med ledningerne 61, 62 og 63.According to FIG. 5 and 6, wedges 64, 65 and 66 are interposed between the wires 61,62 and 63 of the main cable, which at one time are provided on one side with metallic inserts 67, 68 and 69, which inserts the insulation on the wires 61, 62 and 63 and come into contact with these. The metallic inserts 67, 68 and 69 continue in the eyes 70, 71 and 72 in which the branch lines 73, 74 and 75 are attached. On the opposite sides, the wedges are provided with inserts of insulating material 76, 77 and 78 which, in order to provide good mechanical stability, penetrate into the conductor adjacent at all times. Inserted in relation to each other inserts 80 and 81 in relation to each other in the sleeve housing 79, while in the sleeve lid 82 is inserted a clamping screw 83 which can rotate relative to an insulated insert 84. When tensioning the screw 83 after the sleeve is closed, all cut into the insulation of the leads, whereby the inserts 67, 68 and 69 come into contact with the wires 61, 62 and 63.
Et bundt af sammenfattede tråde fra kappen af hovedkablet er ved en klemskrue 86 forbundet med forgreningskablets nulleder 87.A bundle of summarized wires from the sheath of the main cable is connected by a clamping screw 86 to the branch lead 87 of the branch cable.
5 1417985 141798
Ifølge fig. 7 og 8 sker kontaktetableringen af nogle ledninger 91, 92 og 93 i hovedkablet under fastspænding af et muffe-låg 94 til en underdel 95 ved hjælp af nogle skruer 96 og 97. I underdelen 95 er der til dette formål anbragt skær 98 og 99, som kommer i kontakt med nogle ledninger 91 og 93, medens der i muf-felåget 94 er anbragt skær 100, som kommer i kontakt med ledningerne 92. Skærene er ved isolationslag 101, 102 og 103 isoleret i forhold til muffen, når muffedelene består af metal. Består muffen af kunststof kan denne isolering undgås. Skærene 98, 99 og 100 udgår fra kontaktstykker 104, 105 og 106, i hvilke ledninger 107, 108 og 109 af forgreningskablet er lagt. Mellem ledningerne 91, 92 og 93 ligger der isolationskiler 110, 111 og 112. I den ved muffehuset anbragte klemskrue 113 er et bundt 114 af tråde fra hovedkablets kappe og forgreningskablets nulleder 115 forbundet. Endnu et bundt 116 af hovedkablets trådkappe løber gennem muffen.According to FIG. 7 and 8, the contacting of some wires 91, 92 and 93 in the main cable takes place during clamping of a sleeve cover 94 to a base 95 by means of some screws 96 and 97. In this base 95, inserts 98 and 99 are provided for this purpose. which comes into contact with some wires 91 and 93 while inserts 100 are provided in the sleeve rim 94 which come into contact with wires 92. The inserts are insulated at insulating layers 101, 102 and 103 relative to the sleeve when the sleeve members consist of metal. If the sleeve is made of plastic, this insulation can be avoided. The inserts 98, 99 and 100 are based on contacts 104, 105 and 106 in which wires 107, 108 and 109 of the branching cable are laid. Between the wires 91, 92 and 93 there are insulation wedges 110, 111 and 112. In the clamping screw 113 located at the sleeve housing, a bundle 114 of wires from the main cable sheath and the branch cable 115 are connected. Another bundle 116 of the main cable thread sheath runs through the sleeve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681790060 DE1790060B1 (en) | 1968-09-04 | 1968-09-04 | CABLE JOINT |
| DE1790060 | 1968-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK141798B true DK141798B (en) | 1980-06-16 |
| DK141798C DK141798C (en) | 1980-11-03 |
Family
ID=5706865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK451469A DK141798C (en) | 1968-09-04 | 1969-08-22 | BRANCH DEVICE TO CONNECT A MULTIPLE CONNECTOR CABLE WITH A MULTIPLE CONNECTOR CABLE |
Country Status (12)
| Country | Link |
|---|---|
| AT (1) | AT301657B (en) |
| BE (1) | BE737997A (en) |
| CH (1) | CH493954A (en) |
| DE (1) | DE1790060B1 (en) |
| DK (1) | DK141798C (en) |
| FI (1) | FI49893C (en) |
| FR (1) | FR2017331A1 (en) |
| GB (1) | GB1239738A (en) |
| IE (1) | IE33384B1 (en) |
| LU (1) | LU59327A1 (en) |
| NL (1) | NL140665B (en) |
| NO (1) | NO128512B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2408005C3 (en) * | 1974-02-20 | 1981-08-13 | Felten & Guilleaume Schaltanlagen Gmbh, 4150 Krefeld | Cable sleeve, especially for power cables in the low voltage range |
| DE2444440C3 (en) * | 1974-09-17 | 1980-04-30 | Arcus Elektrotechnik Alois Schiffmann Gmbh, 8000 Muenchen | Multi-phase electrical clamping device |
| NL7905180A (en) * | 1979-07-03 | 1981-01-06 | Electriciteits Mij Ijsselcentr | CABLE SLEEVE. |
| FR2615661B1 (en) * | 1987-05-20 | 1989-07-21 | Materiel Electr Soc Ind | CONNECTION DEVICE FOR THE CONNECTION OF BYPASSES TO MAIN BURIED CABLES |
| FR2645683B1 (en) * | 1989-04-10 | 1996-06-14 | Mars Actel | CONNECTION BOX FOR CONNECTION OF DIVERSION CABLES TO A MAIN CABLE |
| DE4041781A1 (en) * | 1990-12-24 | 1992-06-25 | Kabelmetal Electro Gmbh | BRANCHING SLEEVE FOR LOW VOLTAGE CABLES |
| DE4212101A1 (en) * | 1992-04-10 | 1993-10-14 | Kabelmetal Electro Gmbh | Branch sleeve for low-voltage cables |
| AUPN499495A0 (en) * | 1995-08-23 | 1995-09-14 | Krone Aktiengesellschaft | Electrical connector |
| DE19852489C1 (en) | 1998-11-14 | 2000-03-30 | Hirschmann Richard Gmbh Co | Electric cable connecting device has screw necks for receiving conductor holders, and with axial channels for conductors |
| GB2354374B (en) * | 1999-09-07 | 2003-07-30 | David Malcolm Goodwin | Electric cable joints methods of and kits for making them |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE671965C (en) * | 1936-04-23 | 1939-02-17 | John William Hopkins | Piercing tip contact for electrical cables |
| DE1855753U (en) * | 1959-07-14 | 1962-08-02 | Adrian Hendrik Piet Regoort N | BRANCH TERMINAL FOR GROUND CABLE. |
-
1968
- 1968-09-04 DE DE19681790060 patent/DE1790060B1/en not_active Withdrawn
-
1969
- 1969-08-01 CH CH1173869A patent/CH493954A/en not_active IP Right Cessation
- 1969-08-12 AT AT777869A patent/AT301657B/en not_active IP Right Cessation
- 1969-08-18 FI FI239869A patent/FI49893C/en active
- 1969-08-20 NO NO337669A patent/NO128512B/no unknown
- 1969-08-21 LU LU59327D patent/LU59327A1/xx unknown
- 1969-08-22 DK DK451469A patent/DK141798C/en active
- 1969-08-25 IE IE120769A patent/IE33384B1/en unknown
- 1969-08-25 FR FR6929012A patent/FR2017331A1/fr not_active Withdrawn
- 1969-08-26 BE BE737997D patent/BE737997A/xx not_active IP Right Cessation
- 1969-08-27 GB GB1239738D patent/GB1239738A/en not_active Expired
- 1969-09-01 NL NL6913351A patent/NL140665B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE737997A (en) | 1970-02-02 |
| FI49893B (en) | 1975-06-30 |
| LU59327A1 (en) | 1970-01-06 |
| CH493954A (en) | 1970-07-15 |
| IE33384B1 (en) | 1974-06-12 |
| NL140665B (en) | 1973-12-17 |
| GB1239738A (en) | 1971-07-21 |
| NL6913351A (en) | 1970-03-06 |
| NO128512B (en) | 1973-11-26 |
| DK141798C (en) | 1980-11-03 |
| FR2017331A1 (en) | 1970-05-22 |
| DE1790060B1 (en) | 1971-08-05 |
| FI49893C (en) | 1975-10-10 |
| AT301657B (en) | 1972-09-11 |
| IE33384L (en) | 1970-03-04 |
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