Railway car retarder of the track brake type,申请号US19550494796-传众专利搜索

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发明名称	Railway car retarder of the track brake type
摘要
申请公布号	US2815097(A)	申请公布日期	1957.12.03
申请号	US19550494796	申请日期	1955.03.16
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人	MARSH GARELD E.
分类号	B61K7/04;B61K7/12	主分类号	B61K7/04
代理机构		代理人
主权项
地址

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