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公开(公告)号：US2778320A
公开(公告)日：1957-01-22
申请号：US32739652
申请日：1952-12-22
Applicant: PULLMAN STANDARD CAR MFG CO
Inventor： AUSTGEN KENNETH J , CANDLIN JR JAMES E
IPC: B61D31/00
CPC classification number: B61D31/00
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公开(公告)号：US2844109A
公开(公告)日：1958-07-22
申请号：US32739752
申请日：1952-12-22
Applicant: PULLMAN STANDARD CAR MFG CO
Inventor： AUSTGEN KENNETH J , CANDLIN JR JAMES E
IPC: B61D31/00
CPC classification number: B61D31/00
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