Railway box cars and doors therefor,申请号US19560616879-传众专利搜索

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发明名称	Railway box cars and doors therefor
摘要
申请公布号	US2930332(A)	申请公布日期	1960.03.29
申请号	US19560616879	申请日期	1956.10.18
申请人	THE YOUNGSTOWN STEEL DOOR COMPANY	发明人	COOK EARL W.;BEAUCHAMP WILFRED A.
分类号	B61D19/00	主分类号	B61D19/00
代理机构		代理人
主权项
地址

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