EP1387010A1 - Excavating chain for removing ballast - Google Patents

Excavating chain for removing ballast Download PDF

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Publication number
EP1387010A1
EP1387010A1 EP03450167A EP03450167A EP1387010A1 EP 1387010 A1 EP1387010 A1 EP 1387010A1 EP 03450167 A EP03450167 A EP 03450167A EP 03450167 A EP03450167 A EP 03450167A EP 1387010 A1 EP1387010 A1 EP 1387010A1
Authority
EP
European Patent Office
Prior art keywords
chain
clearing
clay
cover plates
chain links
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
Application number
EP03450167A
Other languages
German (de)
French (fr)
Other versions
EP1387010B1 (en
Inventor
Josef Theurer
Manfred Brunninger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Franz Plasser Bahnbaumaschinen Industrie GmbH
Original Assignee
Franz Plasser Bahnbaumaschinen Industrie GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Franz Plasser Bahnbaumaschinen Industrie GmbH filed Critical Franz Plasser Bahnbaumaschinen Industrie GmbH
Priority to AT03450167T priority Critical patent/ATE294284T1/en
Publication of EP1387010A1 publication Critical patent/EP1387010A1/en
Application granted granted Critical
Publication of EP1387010B1 publication Critical patent/EP1387010B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/04—Removing the ballast; Machines therefor, whether or not additionally adapted for taking-up ballast

Definitions

  • the invention relates to a clearing chain with each other to form an endless chain connected chain links and entrainment elements attached to them for the removal of ballast under a track, as well as with positioned between the driving elements, covering the chain links Cover plates.
  • the object of the present invention is to create a Clearing chain of the generic type with which contamination of the Clearing chain is reducible.
  • this object is achieved with a clearing chain of the type mentioned kind solved by one between each two adjacent entrainment organs positioned and over two adjacent cover plates extending clay pressing organ is marked, which is only on one of the two cover plates is attached.
  • a clearing chain 1 shown in FIG. 1 is on a cleaning machine 2 for Cleaning a track bed 3 arranged.
  • the clearing chain 1 is during the Work insert underneath a raised track 4 endlessly around this arranged around.
  • dirt 5 is contaminated by a Guide channel 6 promoted via a discharge point 7 in a screening plant 8.
  • the ballast 5 cleaned therein is then again in a known manner brought into the track 4.
  • the clearing chain 1 is now shown in more detail.
  • she consists from a plurality of chain links 9 which are articulated together are. Every third chain link 9 has hardened driving elements 10.
  • the two chain links 9 located between these chain links 9 are included Cover plates 11 provided.
  • On the cover plate 11 each - with respect to one Direction of travel 12 of the chain link 9 having the driving elements 10 immediately upstream - chain link 9 is a plate-shaped clay pusher 13 attached. This also extends at least in part the adjacent cover plate 11 of the following chain link 9.
  • the clay-pressing member 13 has fingers 14 or recesses 15 on. The clay-pressing member 13 is only attached by means of fastening means 16 the cover plate 11 attached.
  • the clearing chain 1 is now used to excavate the track bed 3 introduced below the track 4 and in rotation according to the direction of travel 12 added.
  • the track bed 3 or the ballast 5 is often heavily contaminated with clay. These contaminants can form real clumps of clay 17 that stick to the cover plates 11 of the clearing chain 1.
  • the clay lumps 17 become in the area a deflection point 18 of the clearing chain 1 removed from it or thrown away. Deflection points 18 are located at an excavation point 19 and at the discharge point 7. If now a chain link 9 soiled at the excavation point 19 arrives at the deflection point 18 formed by a deflection roller 20 the clay press-off element 13 together with the clump of clay adhering to it 17 of this chain link 9. Then the clay lump 17 with promoted the entrainment organs 10.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Harvesting Machines For Root Crops (AREA)
  • Chain Conveyers (AREA)

Abstract

Raking chain (1) comprises chain links (9) joined together to form a continuous chain, dragging elements (10) fixed to the chain links for removing ballast under a track, and cover plates (11) positioned between the dragging elements and covering the chain links. A clay-compacting element (13) arranged between two adjacent dragging elements and extending over two adjacent cover plates is fixed to only one of the cover plates. Preferred Features: The clay-compacting element is removably fixed to the cover plate.

Description

Die Erfindung betrifft eine Räumkette mit zu einer endlosen Kette miteinander verbundenen Kettengliedern und auf diesen befestigten Mitnahmeorganen zur Entfernung von unterhalb eines Gleises befindlichem Schotter, sowie mit zwischen den Mitnahmeorganen positionierten, die Kettenglieder abdeckenden Abdeckplatten.The invention relates to a clearing chain with each other to form an endless chain connected chain links and entrainment elements attached to them for the removal of ballast under a track, as well as with positioned between the driving elements, covering the chain links Cover plates.

Eine derartige Räumkette ist bereits aus US 4 614 238 bekannt. Diese besteht aus einer Anzahl von Kettengliedern, die mittels Kreuzgelenken miteinander verbunden sind und so eine endlose Kette bilden. Jedes Kettenglied weist eine Schutzplatte auf. An der Schutzplatte jedes dritten Kettengliedes ist eine Kratzerschaufel angeordnet. Im Bereich der Kreuzgelenke sind die Schutzplatten überlappend ausgebildet.Such a clearing chain is already known from US 4,614,238. This exists from a number of chain links that are connected to each other by means of universal joints are connected to form an endless chain. Every chain link has a protective plate. On the protection plate of every third chain link a scraper blade is arranged. They are in the area of the universal joints Protective plates are overlapping.

Die Aufgabe der vorliegenden Erfindung liegt nun in der Schaffung einer Räumkette der gattungsgemäßen Art, mit welcher eine Verschmutzung der Räumkette reduzierbar ist.The object of the present invention is to create a Clearing chain of the generic type with which contamination of the Clearing chain is reducible.

Erfindungsgemäß wird diese Aufgabe mit einer Räumkette der eingangs genannten Art gelöst, die durch ein jeweils zwischen zwei benachbarten Mitnahmeorganen positioniertes und sich über zwei benachbarte Abdeckplatten erstreckendes Lehmabdrückorgan gekennzeichnet ist, das lediglich auf einer der beiden Abdeckplatten befestigt ist.According to the invention, this object is achieved with a clearing chain of the type mentioned Kind solved by one between each two adjacent entrainment organs positioned and over two adjacent cover plates extending clay pressing organ is marked, which is only on one of the two cover plates is attached.

Bei der Reinigung von Gleisbettungen wird die Räumkette durch Lehm und Erde stark verunreinigt. Solche Verunreinigungen treten vor allem an den Abdeckplatten der einzelnen Kettenglieder auf. Mithilfe einer konstruktiv denkbar einfachen Vorrichtung können diese klebrigen Lehm- bzw. Erdklumpen automatisch im Unlenkbereich der Räumkette entfernt werden. Dies erfolgt bereits bevor die Räumkette zu sehr verschmutzt wird, bzw. langfristig gesehen sogar beschädigt werden würde. Weiters ist bei solchen Verunreinigungen eine Verminderung der Aushubleistung der Räumkette zu erwarten, da der haftende Lehm zwangsweise ständig mitgeführt wird. Auch dieser negative Effekt wird durch das Lehmabdrückorgan vermieden.When cleaning track bedding, the clearing chain is replaced by clay and Earth heavily contaminated. Such impurities occur mainly on the Cover plates of the individual chain links. Using a constructive This sticky clay or earth lump can be as simple as possible are automatically removed in the area where the chain is not steered. this happens even before the clearing chain becomes too dirty, or in the long term seen would even be damaged. Furthermore, there is such contamination to expect a reduction in the excavation capacity of the clearing chain, since the adhering clay is forcibly carried along. This negative too Effect is avoided by the clay-pressure organ.

Weitere Vorteile und Ausbildungen der Erfindung ergeben sich aus den Unteransprüchen und der Zeichnung.Further advantages and developments of the invention result from the subclaims and the drawing.

Im folgenden wird die Erfindung anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher beschrieben.The invention is illustrated below with reference to the drawing Embodiments described in more detail.

Es zeigen:

Fig. 1
eine Seitenansicht einer Reinigungsmaschine mit einer erfindungsgemäßen Räumkette,
Fig. 2
eine Ansicht der Räumkette gemäß Pfeil II in Fig. 1 und
Fig. 3
eine Draufsicht auf die Räumkette.
Show it:
Fig. 1
a side view of a cleaning machine with a clearing chain according to the invention,
Fig. 2
a view of the clearing chain according to arrow II in Fig. 1 and
Fig. 3
a top view of the clearing chain.

Eine in Fig. 1 ersichtliche Räumkette 1 ist an einer Reinigungsmaschine 2 zur Reinigung einer Gleisbettung 3 angeordnet. Die Räumkette 1 ist während des Arbeitseinsatzes unterhalb eines angehobenen Gleises 4 endlos um dieses herumgeführt angeordnet. Dabei wird verunreinigter Schotter 5 durch einen Führungskanal 6 über eine Abwurfstelle 7 in eine Siebanlage 8 gefördert. Der darin gereinigte Schotter 5 wird dann auf bereits bekannte Art und Weise wieder in das Gleis 4 eingebracht. A clearing chain 1 shown in FIG. 1 is on a cleaning machine 2 for Cleaning a track bed 3 arranged. The clearing chain 1 is during the Work insert underneath a raised track 4 endlessly around this arranged around. Here, dirt 5 is contaminated by a Guide channel 6 promoted via a discharge point 7 in a screening plant 8. The ballast 5 cleaned therein is then again in a known manner brought into the track 4.

In den Fig. 2 und 3 ist die Räumkette 1 nun genauer dargestellt. Sie besteht aus einer Vielzahl von Kettengliedern 9 die miteinander gelenkig verbunden sind. Jedes dritte Kettenglied 9 weist gehärtete Mitnahmeorgane 10 auf. Die beiden zwischen diesen Kettengliedern 9 gelegenen Kettenglieder 9 sind mit Abdeckplatten 11 versehen. An der Abdeckplatte 11 jedes - bezüglich einer Laufrichtung 12 dem die Mitnahmeorgane 10 aufweisenden Kettenglied 9 unmittelbar vorgeordneten - Kettengliedes 9 ist ein plattenförmiges Lehmabdrückorgan 13 befestigt. Dieses erstreckt sich zumindest teilweise auch über die angrenzende Abdeckplatte 11 des folgenden Kettengliedes 9. In diesem Bereich weist das Lehmabdrückorgan 13 Finger 14 bzw. Ausnehmungen 15 auf. Das Lehmabdrückorgan 13 ist mittels Befestigungsmitteln 16 lediglich an der Abdeckplatte 11 befestigt.2 and 3, the clearing chain 1 is now shown in more detail. she consists from a plurality of chain links 9 which are articulated together are. Every third chain link 9 has hardened driving elements 10. The two chain links 9 located between these chain links 9 are included Cover plates 11 provided. On the cover plate 11 each - with respect to one Direction of travel 12 of the chain link 9 having the driving elements 10 immediately upstream - chain link 9 is a plate-shaped clay pusher 13 attached. This also extends at least in part the adjacent cover plate 11 of the following chain link 9. In this In the area, the clay-pressing member 13 has fingers 14 or recesses 15 on. The clay-pressing member 13 is only attached by means of fastening means 16 the cover plate 11 attached.

Im Arbeitseinsatz wird nun die Räumkette 1 zum Aushub der Gleisbettung 3 unterhalb des Gleises 4 eingebracht und in Rotation gemäß Laufrichtung 12 versetzt. Die Gleisbettung 3 bzw. der Schotter 5 ist oft stark mit Lehm verschmutzt. Diese Verschmutzungen können richtige Lehmklumpen 17 bilden, die an den Abdeckplatten 11 der Räumkette 1 haften bleiben.During work, the clearing chain 1 is now used to excavate the track bed 3 introduced below the track 4 and in rotation according to the direction of travel 12 added. The track bed 3 or the ballast 5 is often heavily contaminated with clay. These contaminants can form real clumps of clay 17 that stick to the cover plates 11 of the clearing chain 1.

Wie besonders in Fig. 3 ersichtlich, werden die Lehmklumpen 17 im Bereich einer Umlenkstelle 18 der Räumkette 1 von dieser entfernt bzw. abgeworfen. Umlenkstellen 18 befinden sich an einer Aushubstelle 19 und an der Abwurfstelle 7. Wenn nun ein an der Aushubstelle 19 verschmutztes Kettenglied 9 an die durch eine Umlenkrolle 20 gebildete Umlenkstelle 18 gelangt, distanziert sich das Lehmabdrückorgan 13 mitsamt dem daran klebenden Lehmklumpen 17 von diesem Kettenglied 9. Danach wird der Lehmklumpen 17 mit den Mitnahmeorganen 10 weitergefördert.As can be seen particularly in FIG. 3, the clay lumps 17 become in the area a deflection point 18 of the clearing chain 1 removed from it or thrown away. Deflection points 18 are located at an excavation point 19 and at the discharge point 7. If now a chain link 9 soiled at the excavation point 19 arrives at the deflection point 18 formed by a deflection roller 20 the clay press-off element 13 together with the clump of clay adhering to it 17 of this chain link 9. Then the clay lump 17 with promoted the entrainment organs 10.

Claims (4)

Räumkette (1) mit zu einer endlosen Kette miteinander verbundenen Kettengliedern (9) und auf diesen befestigten Mitnahmeorganen (10) zur Entfernung von unterhalb eines Gleises (4) befindlichem Schotter (5), sowie mit zwischen den Mitnahmeorganen (10) positionierten, die Kettenglieder (9) abdeckenden Abdeckplatten (11), gekennzeichnet durch ein jeweils zwischen zwei benachbarten Mitnahmeorganen (10) positioniertes und sich über zwei benachbarte Abdeckplatten (11) erstreckendes Lehmabdrückorgan (13), das lediglich auf einer der beiden Abdeckplatten (11) befestigt ist.Clearing chain (1) with chain links (9) connected to each other to form an endless chain and driving elements (10) fastened on them to remove ballast (5) located below a track (4), and with chain links positioned between the driving elements (10) (9) covering cover plates (11), characterized by a loam push-off element (13) positioned between two adjacent driving elements (10) and extending over two adjacent cover plates (11), which is only attached to one of the two cover plates (11). Räumkette nach Anspruch 1, dadurch gekennzeichnet, daß das plattenförmige Lehmabdrückorgan (13) Finger (14) bzw. Ausnehmungen (15) aufweist, die bezüglich einer Laufrichtung (12) der Räumkette (1) an einem hinteren Ende des Lehmabdrückorganes (13) angeordnet sind.Clearing chain according to claim 1, characterized in that the plate-shaped loam push-off element (13) has fingers (14) or recesses (15) which are arranged at a rear end of the clay pull-off element (13) with respect to a running direction (12) of the clearing chain (1) , Räumkette nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Lehmabdrückorgane (13) an jenen Kettengliedern (9) befestigt sind, welche bezüglich der Laufrichtung (12) der Räumkette (1) unmittelbar nach den Kettengliedern (9) angeordnet sind, welche die Mitnahmeorgane (10) aufweisen.Clearing chain according to claim 1 or 2, characterized in that the loam push-off elements (13) are attached to those chain links (9) which are arranged with respect to the running direction (12) of the clearing chain (1) immediately after the chain links (9) which are the driving elements (10). Räumkette nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Lehmabdrückorgan (13) lösbar an der Abdeckplatte (11) befestigt ist.Clearing chain according to claim 1 or 2, characterized in that the loam push-off member (13) is detachably attached to the cover plate (11).
EP03450167A 2002-08-02 2003-07-09 Excavating chain for removing ballast Expired - Lifetime EP1387010B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT03450167T ATE294284T1 (en) 2002-08-02 2003-07-09 CLEARING CHAIN FOR REMOVAL OF GRAVEL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0051902U AT5766U3 (en) 2002-08-02 2002-08-02 REMOVAL CHAIN TO REMOVE GRAVEL
AT5192002 2002-08-02

Publications (2)

Publication Number Publication Date
EP1387010A1 true EP1387010A1 (en) 2004-02-04
EP1387010B1 EP1387010B1 (en) 2005-04-27

Family

ID=3492751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03450167A Expired - Lifetime EP1387010B1 (en) 2002-08-02 2003-07-09 Excavating chain for removing ballast

Country Status (7)

Country Link
EP (1) EP1387010B1 (en)
CN (1) CN1215224C (en)
AT (2) AT5766U3 (en)
DE (1) DE50300482D1 (en)
ES (1) ES2240932T3 (en)
PL (1) PL209900B1 (en)
RU (1) RU2247188C1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2447221C1 (en) * 2010-10-20 2012-04-10 Открытое акционерное общество Научно-исследовательский и конструкторско-технологический институт подвижного состава (ОАО "ВНИКТИ") Railway ballast cleaning machine
EP2631361A3 (en) * 2012-02-22 2014-11-26 K&K Maschinenentwicklungs GmbH & Co. KG Excavation chain for excavating track bed material
CN104163332A (en) * 2014-07-22 2014-11-26 国家电网公司 Dedusting mechanism of coal conveying belt tensioning device
CN108637670A (en) * 2018-05-15 2018-10-12 常州市瑞泰工程机械有限公司 Automatic production line device suitable for screen scarifier digger chain
CN110725167A (en) * 2019-11-19 2020-01-24 常州市瑞泰工程机械有限公司 Digging chain unit, digging chain and side slope screen cleaning vehicle
FR3101892A1 (en) * 2019-10-14 2021-04-16 Matisa Materiel Industriel Articulated assembly of two links and associated excavation chain
FR3101891A1 (en) * 2019-10-14 2021-04-16 Matisa Materiel Industriel link for an excavation chain and associated excavation chain
RU2816341C1 (en) * 2019-10-14 2024-03-28 Матиса Матерьель Индустриэль Са Two-link hinge joint and associated excavation chain

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA014618B1 (en) * 2008-06-06 2010-12-30 Ооо "Вест-Тер" Raking working chain of a crushed stone cleaning machine (cscm)
ES2376134T3 (en) * 2008-06-13 2012-03-09 Advanced Nuclear Fuels Gmbh TRANSPORTATION AND INSULATION DEVICE.
CN102677722B (en) * 2012-05-30 2014-12-03 日照阳光电力设计有限公司 Split bucket of chain type grooving machine
CN105442397B (en) * 2015-12-17 2017-03-22 南车戚墅堰机车车辆工艺研究所有限公司 Screen cleaner digger chain
CN106829394B (en) * 2017-02-22 2022-05-24 河北钢铁集团矿业有限公司 Belt conveyor slag removing device of chute breaking system
CN114568071B (en) * 2022-02-24 2023-09-26 云南林业职业技术学院 Planting device for wetland protection

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US2594990A (en) * 1946-09-16 1952-04-29 Nordberg Manufacturing Co Cribber chain
CH314241A (en) * 1953-08-10 1956-06-15 Scheuchzer Fils Auguste Chain with meshing function
US4614238A (en) * 1983-01-10 1986-09-30 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Arrangement for excavating bulk material from a track bed
US5694708A (en) * 1995-04-12 1997-12-09 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Excavating and conveying chain assembly with two-part scraper fingers
JP2002030602A (en) * 2000-07-18 2002-01-31 Maruma Technica Co Ltd Raking-out chain for ballast and baking-out device

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FR78759E (en) * 1960-11-28 1962-09-07 Ducarin D Process for manufacturing non-woven textile fabrics and fabrics obtained by this process
US3979843A (en) * 1975-11-26 1976-09-14 J. I. Case Company Trenching chain with scoop members

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594990A (en) * 1946-09-16 1952-04-29 Nordberg Manufacturing Co Cribber chain
CH314241A (en) * 1953-08-10 1956-06-15 Scheuchzer Fils Auguste Chain with meshing function
US4614238A (en) * 1983-01-10 1986-09-30 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Arrangement for excavating bulk material from a track bed
US5694708A (en) * 1995-04-12 1997-12-09 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Excavating and conveying chain assembly with two-part scraper fingers
JP2002030602A (en) * 2000-07-18 2002-01-31 Maruma Technica Co Ltd Raking-out chain for ballast and baking-out device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 05 3 May 2002 (2002-05-03) *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2447221C1 (en) * 2010-10-20 2012-04-10 Открытое акционерное общество Научно-исследовательский и конструкторско-технологический институт подвижного состава (ОАО "ВНИКТИ") Railway ballast cleaning machine
EP2631361A3 (en) * 2012-02-22 2014-11-26 K&K Maschinenentwicklungs GmbH & Co. KG Excavation chain for excavating track bed material
CN104163332A (en) * 2014-07-22 2014-11-26 国家电网公司 Dedusting mechanism of coal conveying belt tensioning device
CN104163332B (en) * 2014-07-22 2016-06-08 国家电网公司 The dedusting mechanism of coal conveyer belt take-up device
CN108637670A (en) * 2018-05-15 2018-10-12 常州市瑞泰工程机械有限公司 Automatic production line device suitable for screen scarifier digger chain
FR3101892A1 (en) * 2019-10-14 2021-04-16 Matisa Materiel Industriel Articulated assembly of two links and associated excavation chain
FR3101891A1 (en) * 2019-10-14 2021-04-16 Matisa Materiel Industriel link for an excavation chain and associated excavation chain
WO2021074247A1 (en) * 2019-10-14 2021-04-22 Matisa Materiel Industriel Sa Articulated assembly of two links, and associated removal chain
WO2021074242A1 (en) * 2019-10-14 2021-04-22 Matisa Materiel Industriel Sa Link for a removal chain, and associated removal chain
RU2816341C1 (en) * 2019-10-14 2024-03-28 Матиса Матерьель Индустриэль Са Two-link hinge joint and associated excavation chain
CN110725167A (en) * 2019-11-19 2020-01-24 常州市瑞泰工程机械有限公司 Digging chain unit, digging chain and side slope screen cleaning vehicle

Also Published As

Publication number Publication date
DE50300482D1 (en) 2005-06-02
EP1387010B1 (en) 2005-04-27
CN1215224C (en) 2005-08-17
RU2003123634A (en) 2005-01-20
ES2240932T3 (en) 2005-10-16
ATE294284T1 (en) 2005-05-15
RU2247188C1 (en) 2005-02-27
PL361486A1 (en) 2004-02-09
AT5766U2 (en) 2002-11-25
PL209900B1 (en) 2011-11-30
CN1477265A (en) 2004-02-25
AT5766U3 (en) 2003-09-25

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