RAILWAY CAR DOOR,申请号CAD401556-传众专利搜索

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发明名称	RAILWAY CAR DOOR
摘要
申请公布号	CA401556(A)	申请公布日期	1941.12.16
申请号	CAD401556	申请日期
申请人	THE YOUNGSTOWN STEEL DOOR COMPANY	发明人	GEORGE R. TREPTOW;CARL E. FABIAN
分类号		主分类号
代理机构		代理人
主权项
地址

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