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公开(公告)号：US2066626A
公开(公告)日：1937-01-05
申请号：US41305029
申请日：1929-12-10
Applicant: WINE RAILWAY APPLIANCE COMPANY
Inventor： ISAACSON FRED A , WINE WILLIAM E
IPC: B61D7/16
CPC classification number: B61D7/16
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