Brake beam structure,申请号US19310580761-传众专利搜索

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发明名称	Brake beam structure
摘要
申请公布号	US2049425(A)	申请公布日期	1936.08.04
申请号	US19310580761	申请日期	1931.12.14
申请人	CHICAGO RAILWAY EQUIPMENT COMPANY	发明人	LONG FREDERIC T. DE
分类号	B61H13/36	主分类号	B61H13/36
代理机构		代理人
主权项
地址

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