EP0293051B1 - A passage connection between steadily intercoupled railway cars - Google Patents
A passage connection between steadily intercoupled railway cars Download PDFInfo
- Publication number
- EP0293051B1 EP0293051B1 EP88201041A EP88201041A EP0293051B1 EP 0293051 B1 EP0293051 B1 EP 0293051B1 EP 88201041 A EP88201041 A EP 88201041A EP 88201041 A EP88201041 A EP 88201041A EP 0293051 B1 EP0293051 B1 EP 0293051B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hose body
- passage connection
- wall portions
- cars
- connection according
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
- B61D17/22—Communication passages between coaches; Adaptation of coach ends therefor flexible, e.g. bellows
Definitions
- the present invention relates to a passage connection between railway cars in a train, in which the interfacing ends of the cars are supported by a common bogie.
- the adjacent car ends When supported in this manner as known from EP-A-0 187 413 the adjacent car ends will carry out only relatively small mutual movements, viz. mutual turnings by the passage of the train through curves, while there will be no substantial lateral displacements, this conditioning a relatively simple design of the passage connection between the cars.
- the car ends will be permanently coupled together, such that in normal use they shall not be separable, and while more conventional passage connections as shown in EP-A-0 187 413 will consist of intercoupable halves on each single car end the same connection may here be established by means of a unitary structure which shall not have to be midways dividable.
- the distance between the car ends may be relatively short, and for several reasons the passage connection may thus be designed essentially simpler than the connections between conventional separable cars.
- the desired tight connection can be established by means of the said hose body when this is actively tightly connected with the car ends all the way round, as the hose body may then act as a buffer towards outer pressure variations and prevent direct transmissions of pressure and/or vacuum waves between the surroundings and the interior of the cars.
- Both the elastomeric material and the air contained in the hose body are important as wave shock absorbing means, the air acting as an absorber air spring.
- Fig. 1 In Fig. 1 is shown two railway cars 2, the adjacent ends of which are supported by a common bogie 4 with driving wheels 6 and are interconnected through a passage connection 8.
- the car ends are connected with the bogie 4 in a pivotal manner, which is not further illustrated.
- the car ends When driving through horizontal curves the car ends may thus pivot slightly both mutually and relative the bogie 4, such that the passage connection 8 will be compressed at one side and expanded at the other side, while the top side of the connector element 8 by driving through vertical curves will be compressed or expanded, depending of the curve being concave or convex, respectively.
- the passage connection 8 is illustrated in more detail in Figs. 2-4. It is constituted mainly by a roundgoing, closed hose body 10, which preferably consists of an annular hose made in one piece from vulcanized rubber shaped by plate rubber laid up against the walls of a surrounding mould.
- the hose body is shaped with a generally rectangular cross section with generally parallel inner and outer lateral wall portions 12 and 14, though in Figs. 3 and 4 it is shown that these sides may be welled, and with outwardly projecting beads 16 on the opposite wall portions 18 facing the car ends.
- the beads 16 are provided on the top and side portions of the hose body, whilst on the bottom portion thereof, in lieu of the beads, there are arranged flat iron beams 20 on the opposite wall portions of the hose body and in holding connection with the rubber walls and provided with threaded holes for receiving tightening bolts.
- the overall passage connection includes holding means on the car ends for sealingly holding the hose body 10, and along the sides and the top portion of the hose body 10 such holding means consist of a rim shaped flange portion 22 on the respective car ends.
- the beads 16 are shaped with an inwardly thickened head portion 24, while the flange portions 22 have a correspondingly outwardly thickened edge portion, which can thus be brought into a very firm and tight holding engagement with the bead 16, 24.
- the car ends are represented by plate portions 26 and by profiled tubes 28 mounted close to the hose body 10.
- outer rectangular profiles 30 engaging the respective opposite wall portions of the hose body 10 at the outer side, and preferably a corresponding engagement occurs at the inner side of the hose body and a non-illustrated frame portion adjacent the passage openings in the respective car ends.
- a support structure 32 which in the embodiment shown consists of horizontal, upper and lower pipe frame portions 34 which at the middle are secured to opposed elastomeric blocks 36, the outer sides of which are secured to a steel plate having threaded holes for receiving tightening bolts projecting through the associated wall portions of the hose body 10.
- the bottom portion of the hose body is fastened to downwardly projecting flange portions 38 of respective plate members 40 associated with the floor structures of the respective cars, whereby a generally good sealing between the iron beam 20 and the flange 38 and a safe securing of the central blocks 36 of the lower, encapsulated support structure 32 will be achieved.
- the pipe frame portions 34 are outwardly converging, such that they permit the car ends to carry out such mutual pivot movements as will occur by driving through horizontal curves, while they will also keep the bottom portion of the hose body distended and act carrying for the passage traffic between the cars.
- the elastomeric blocks 36 will permit the said pivot movements even though at their outer sides they are rigidly fastened to the respective car ends.
- the rigid holding flanges 38 at the car ends are of a height sufficient to make them abutting the hose body both above and beneath the actual fastening zones along the flanges 38.
- a high degree of tightness between the hose body 10 and the adjacent car ends will be obtained, and it will be appreciated that the hose body 10 may still be deformed by compressions and expansions as coming up by driving through curves.
- the floor in the passageway between the cars is constituted by the top side of the lower portion of the hose body 10 and the interior support structure 32 therein, and by the outwardly converging shape of the latter there may be left partial areas of insufficient support capacity, if the wall thickness of the hose body is kept reasonably small also in these areas.
- a mat plate member 42 of an elastomeric material be placed over the floor area to both sides of the connecting area, whereby the walking pressure in that area will be distributed between the floor ends of the cars and the support structure 32 inside the bottom portion of the hose body 10, while the mat plate member may also participate in the mutual pivot movements between the cars as occurring by driving through horizontal curves.
- the hose body 10 may be inflatable by introduction of compressed air therein anywhere along the circumference thereof, though preferably through a non-illustrated inlet stub in the bottom portion of the hose body, where one of the applied tightening bolts may be tubular for enabling a connection with a source of compressed air.
- the hose body 10 will engage the associated car ends extra tightly, whereby a high degree of security against transmission of outer pressure waves to the interior of the cars will be obtained.
- a wire 25 may be provided inside and along the beads 16 for enabling the beads to be tightened strongly about and against the respective rim flanges 22.
- a stop wedge adjacent the outer side of the bead.
- hose body 10 is shown with a regular ractangular cross section, whilst in Figs. 3 and 4 a preferred shape of the outer and inner sides of the lateral wall portions of the hose body is shown.
- These lateral wall portions are corrugated, and internal cross connector members 44 are provided for holding the opposite innermost sub areas together, such that the hose body will not expand in the cross direction when subjected to compressed air.
- the corrugated shape is advantageous both by the operative working of the hose body, by driving through curves, and with respect to the desired damping effect on pressure shocks from outside.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Road Paving Structures (AREA)
- Pipe Accessories (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
- The present invention relates to a passage connection between railway cars in a train, in which the interfacing ends of the cars are supported by a common bogie. When supported in this manner as known from EP-A-0 187 413 the adjacent car ends will carry out only relatively small mutual movements, viz. mutual turnings by the passage of the train through curves, while there will be no substantial lateral displacements, this conditioning a relatively simple design of the passage connection between the cars. Moreover the car ends will be permanently coupled together, such that in normal use they shall not be separable, and while more conventional passage connections as shown in EP-A-0 187 413 will consist of intercoupable halves on each single car end the same connection may here be established by means of a unitary structure which shall not have to be midways dividable. The distance between the car ends may be relatively short, and for several reasons the passage connection may thus be designed essentially simpler than the connections between conventional separable cars.
- In principle it will be sufficient to provide an "accordeon wall" around the passage opening, or it is possible to make use of a compressed hose member, which, by driving through curves, may be further compressed at one side and expand resiliently at the other side for maintaining a reasonable tightness around the passageway between the cars.
- So far it has been considered sufficient to provide for just a 'reasonable' tightness, i.e. a protection against the weather and the wind in the passage connection, but as driving speeds are generally increased new problems occur, which have already been found difficult to solve. Thus, in connection with fast driving through conventionally dimensioned tunnels the said 'reasonable' tightness of the passage connections has been found insufficient, as an almost absolute tightness is required for avoiding the occurrence of unpleasant air pressure variations inside the cars. This may be counteracted by increasing the cross sectional area of the tunnels, but of course that will be a very expensive solution. It would be cheaper to arrange for a more effective sealing of the passage connections, but in practice it has been found very difficult to realize this in an efficient and reasonably cheap manner.
- It is the purpose of the invention to provide a passage connection showing a high degree of tightness in a simple and nonexpensive manner, and according to the invention this is achieved by the connection being designed as specified in the characterizing clause of claim 1.
- The desired tight connection can be established by means of the said hose body when this is actively tightly connected with the car ends all the way round, as the hose body may then act as a buffer towards outer pressure variations and prevent direct transmissions of pressure and/or vacuum waves between the surroundings and the interior of the cars. Both the elastomeric material and the air contained in the hose body are important as wave shock absorbing means, the air acting as an absorber air spring.
- It implies certain complications to arrange the floor carrying structure inside the roundgoing hose body, but still this solution is considerably cheaper than a widening of the relevant tunnels. According to claim 2 the desired tightness is achievable in a reasonably cheap manner, even though the connection unit itself will hereby be somewhat more complicated than conventionally.
- In the following the invention is described in more detail with reference to the drawing, in which:
- Fig. 1 is a lateral view of a connection area between two railway cars,
- Fig. 2 is a perspective view of the connection area,
- Fig. 3 is a vertical sectional view thereof, and
- Fig. 4 is a more detailed sectional view of the joint between a car end and the connection element.
- In Fig. 1 is shown two railway cars 2, the adjacent ends of which are supported by a
common bogie 4 withdriving wheels 6 and are interconnected through apassage connection 8. The car ends are connected with thebogie 4 in a pivotal manner, which is not further illustrated. When driving through horizontal curves the car ends may thus pivot slightly both mutually and relative thebogie 4, such that thepassage connection 8 will be compressed at one side and expanded at the other side, while the top side of theconnector element 8 by driving through vertical curves will be compressed or expanded, depending of the curve being concave or convex, respectively. - The
passage connection 8 is illustrated in more detail in Figs. 2-4. It is constituted mainly by a roundgoing, closedhose body 10, which preferably consists of an annular hose made in one piece from vulcanized rubber shaped by plate rubber laid up against the walls of a surrounding mould. The hose body is shaped with a generally rectangular cross section with generally parallel inner and outerlateral wall portions beads 16 on the opposite wall portions 18 facing the car ends. Thebeads 16 are provided on the top and side portions of the hose body, whilst on the bottom portion thereof, in lieu of the beads, there are arrangedflat iron beams 20 on the opposite wall portions of the hose body and in holding connection with the rubber walls and provided with threaded holes for receiving tightening bolts. - The overall passage connection includes holding means on the car ends for sealingly holding the
hose body 10, and along the sides and the top portion of thehose body 10 such holding means consist of a rim shapedflange portion 22 on the respective car ends. Thebeads 16 are shaped with an inwardly thickenedhead portion 24, while theflange portions 22 have a correspondingly outwardly thickened edge portion, which can thus be brought into a very firm and tight holding engagement with thebead plate portions 26 and by profiledtubes 28 mounted close to thehose body 10. On the car ends there are also mounted outerrectangular profiles 30 engaging the respective opposite wall portions of thehose body 10 at the outer side, and preferably a corresponding engagement occurs at the inner side of the hose body and a non-illustrated frame portion adjacent the passage openings in the respective car ends. - Inside the bottom portion of the
hose body 10 is mounted asupport structure 32, which in the embodiment shown consists of horizontal, upper and lowerpipe frame portions 34 which at the middle are secured to opposedelastomeric blocks 36, the outer sides of which are secured to a steel plate having threaded holes for receiving tightening bolts projecting through the associated wall portions of thehose body 10. As shown in Fig. 3 the bottom portion of the hose body is fastened to downwardly projectingflange portions 38 ofrespective plate members 40 associated with the floor structures of the respective cars, whereby a generally good sealing between theiron beam 20 and theflange 38 and a safe securing of thecentral blocks 36 of the lower, encapsulatedsupport structure 32 will be achieved. Thepipe frame portions 34 are outwardly converging, such that they permit the car ends to carry out such mutual pivot movements as will occur by driving through horizontal curves, while they will also keep the bottom portion of the hose body distended and act carrying for the passage traffic between the cars. Theelastomeric blocks 36 will permit the said pivot movements even though at their outer sides they are rigidly fastened to the respective car ends. - Along the bottom portion of the hose body the
rigid holding flanges 38 at the car ends are of a height sufficient to make them abutting the hose body both above and beneath the actual fastening zones along theflanges 38. - Thus, according to the invention, a high degree of tightness between the
hose body 10 and the adjacent car ends will be obtained, and it will be appreciated that thehose body 10 may still be deformed by compressions and expansions as coming up by driving through curves. - The floor in the passageway between the cars is constituted by the top side of the lower portion of the
hose body 10 and theinterior support structure 32 therein, and by the outwardly converging shape of the latter there may be left partial areas of insufficient support capacity, if the wall thickness of the hose body is kept reasonably small also in these areas. As shown in Fig. 2, therefore, it can be desirable than amat plate member 42 of an elastomeric material be placed over the floor area to both sides of the connecting area, whereby the walking pressure in that area will be distributed between the floor ends of the cars and thesupport structure 32 inside the bottom portion of thehose body 10, while the mat plate member may also participate in the mutual pivot movements between the cars as occurring by driving through horizontal curves. - For the invention it is important that the
hose body 10 may be inflatable by introduction of compressed air therein anywhere along the circumference thereof, though preferably through a non-illustrated inlet stub in the bottom portion of the hose body, where one of the applied tightening bolts may be tubular for enabling a connection with a source of compressed air. By such an inflation thehose body 10 will engage the associated car ends extra tightly, whereby a high degree of security against transmission of outer pressure waves to the interior of the cars will be obtained. - As shown in Fig. 4 a wire 25 may be provided inside and along the
beads 16 for enabling the beads to be tightened strongly about and against therespective rim flanges 22. However, there will also be other tightening possibilities, e.g. the use of a stop wedge adjacent the outer side of the bead. - In Fig. 2 the
hose body 10 is shown with a regular ractangular cross section, whilst in Figs. 3 and 4 a preferred shape of the outer and inner sides of the lateral wall portions of the hose body is shown. These lateral wall portions are corrugated, and internalcross connector members 44 are provided for holding the opposite innermost sub areas together, such that the hose body will not expand in the cross direction when subjected to compressed air. Also, the corrugated shape is advantageous both by the operative working of the hose body, by driving through curves, and with respect to the desired damping effect on pressure shocks from outside.
Claims (10)
- A passage connection between railway cars (2) in a train, in which the interfacing ends of the cars are supported by a common bogie (4,6), characterized in that the connection is established by a roundgoing, elastomeric hose body (10), which, on its opposite wall portions (18) facing the car ends, is provided with engagement means (16) for being tightly fixed to associated holding means (22) on the respective car ends, the lowermost portion of the hose body having its top side located substantially flush with the floor level of the cars, this portion being provided with an internal support structure (32), the opposed foremost and rearmost middle areas of which are connected with the car ends through or across the respective opposite wall portions of the hose body, and the hose body being inflated or inflatable for imparting an increased sealing pressure against the car ends.
- A passage connection according to claim 1, in which the said engagement means (16,24) at least along the top and side portions of the hose body (10) are constituted by an integral bead (16) projecting from the hose body, this bead being pressed into firm engagement with a complementarily profiled holding rim portion (22) on the respective car ends.
- A passage connection according to claim 2, in which the hose body (10) is shaped with a generally rectangular cross section and with engagement beads (16) projecting from a middle line area along the opposite wall portions (18), the hose body adjacent these opposite wall portions being in abutting engagement with rigid surface portions (30,32) of the car ends both outside and inside the bead.
- A passage connection according to claim 1, in which the support structure (32) inside the bottom portion of the hose body (10) consists of a block or frame structure (32), which is oblong in the transverse direction of the train and adjacent each of its central areas facing the respective car ends is secured to the inner side of an elastomeric block member (36), the outer side of which is secured to the respective car end through or across the respective opposite wall portion of the hose body, the said block or frame structure being shaped so as to be outwardly converging to both sides of the middle thereof.
- A passage connection according to claim 1 or 4, in which the bottom portion of the opposite wall portions (18) of the hose body (10) is in a firm holding connection with a clamping bar (20) bolted to flange portions (38) on the car ends.
- A passage connection according to claim 1, in which the top side of the bottom portion of the hose body (10) is located in the floor level of the cars (2) and is covered by an elastomeric cover plate (42) projecting beyond the said bottom portion over the nearby floor ends of the cars.
- A passage connection according to claim 1 or 3, in which the outer and inner lateral wall portions (12,14) of the hose body (10) are corrugated.
- A passage connection according to claim 7, in which the corrugated shape of the lateral wall portions (12,14) is stabilized by internal connector members (44) interconnecting opposed depressions of the respective inner and outer corrugated lateral wall portions of the hose body (10).
- A passage connection according to claim 1, in which the lateral wall portions (12,14) of the hose body (10) are corrugated in the side portions and preferably also the top portion of the hose body.
- A passage connection according to claim 9, in which connector members (44) or other holding means are arranged inside the corrugated inner and outer lateral wall portions (12,14) for preventing crosswise expansion of the hose body (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88201041T ATE75451T1 (en) | 1987-05-22 | 1988-05-24 | PASSAGE CONNECTION BETWEEN PERMANENTLY COUPLED RAILWAY PASSENGER CARRIAGES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK259987A DK259987D0 (en) | 1987-05-22 | 1987-05-22 | TRANSITIONAL RELATIONSHIP BETWEEN PERMANENTLY CONNECTED RAILWAYS |
DK2599/87 | 1987-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0293051A1 EP0293051A1 (en) | 1988-11-30 |
EP0293051B1 true EP0293051B1 (en) | 1992-04-29 |
Family
ID=8113569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88201041A Expired - Lifetime EP0293051B1 (en) | 1987-05-22 | 1988-05-24 | A passage connection between steadily intercoupled railway cars |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0293051B1 (en) |
AT (1) | ATE75451T1 (en) |
DE (1) | DE3870514D1 (en) |
DK (1) | DK259987D0 (en) |
ES (1) | ES2032536T3 (en) |
GR (1) | GR3005267T3 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2669597B1 (en) * | 1990-11-28 | 1993-01-08 | Alsthom Gec | INTERCIRCULATION DEVICE BETWEEN TWO ARTICULATED CARS OF A RAIL TRANSPORT UNIT. |
DE4309754A1 (en) * | 1993-03-26 | 1994-09-29 | Duewag Ag | Transition between vehicles, especially rail vehicles |
DE4419445A1 (en) * | 1994-06-03 | 1995-12-07 | Linke Hofmann Busch | Insulation device for a transition covering of rail vehicles |
AT2470U1 (en) * | 1997-12-03 | 1998-11-25 | Integral Verkehrstech Ag | ELASTIC BELLOW CONNECTION |
FR2852277B1 (en) * | 2003-03-12 | 2006-11-24 | RAILWAY VEHICLE COMPRISING AN INFLATABLE GASKET INTERCIRCULATION DOOR AND CORRESPONDING PRODUCTION METHOD | |
FR2926772B1 (en) * | 2008-01-24 | 2010-08-13 | Alstom Transport Sa | INTERCIRCULATION BELLOW BETWEEN CARS OF A RAILWAY VEHICLE |
FR2952014B1 (en) * | 2009-10-30 | 2011-12-09 | Lohr Ind | DEFORMABLE ASSEMBLY FOR INTERCULCULATING PASSAGE BETWEEN TWO SUCCESSIVE ROLLING BASE TRAYS |
EP2335995B1 (en) * | 2009-12-21 | 2012-10-24 | Hübner GmbH | Double shaft gaiter comprising two gaiter elements for the intersection of two vehicles with a jointed connection |
PL2489567T3 (en) * | 2011-02-16 | 2015-04-30 | Huebner Gmbh & Co Kg | Communication passage between two carriages of a rail vehicle, in particular of a high-speed rail vehicle |
PL3118081T3 (en) * | 2015-07-15 | 2020-02-28 | HÜBNER GmbH & Co. KG | Vehicle comprising at least two vehicle parts with a jointed connection |
CN113954893B (en) * | 2021-12-01 | 2022-11-22 | 中车制动***有限公司 | Train end protection device |
CN115027516A (en) * | 2022-06-27 | 2022-09-09 | 重庆永贵交通设备有限公司 | Sound insulation type folding shed for light rail |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1228200A (en) * | 1968-11-14 | 1971-04-15 | ||
DE2826779C2 (en) * | 1978-06-19 | 1987-04-23 | Linke-Hofmann-Busch Waggon-Fahrzeug-Maschinen Gmbh, 3320 Salzgitter | Articulated connecting device between two adjacent car bodies of a rail articulated train |
DE3124682C2 (en) * | 1981-06-24 | 1986-04-30 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Car transfer device for track-guided high-speed vehicles |
DK8405728A (en) * | 1984-12-03 | 1986-06-04 |
-
1987
- 1987-05-22 DK DK259987A patent/DK259987D0/en not_active Application Discontinuation
-
1988
- 1988-05-24 AT AT88201041T patent/ATE75451T1/en not_active IP Right Cessation
- 1988-05-24 DE DE8888201041T patent/DE3870514D1/en not_active Expired - Fee Related
- 1988-05-24 ES ES198888201041T patent/ES2032536T3/en not_active Expired - Lifetime
- 1988-05-24 EP EP88201041A patent/EP0293051B1/en not_active Expired - Lifetime
-
1992
- 1992-07-27 GR GR920401596T patent/GR3005267T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ES2032536T3 (en) | 1993-02-16 |
EP0293051A1 (en) | 1988-11-30 |
ATE75451T1 (en) | 1992-05-15 |
DK259987D0 (en) | 1987-05-22 |
DE3870514D1 (en) | 1992-06-04 |
GR3005267T3 (en) | 1993-05-24 |
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