Railway hopper car door locks,申请号US19560612029-传众专利搜索

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发明名称	Railway hopper car door locks
摘要
申请公布号	US2962982(A)	申请公布日期	1960.12.06
申请号	US19560612029	申请日期	1956.09.25
申请人	UNITCAST CORPORATION	发明人	INGRAM ORVILLE;GIBSON WILLIAM J.
分类号	B61D7/16	主分类号	B61D7/16
代理机构		代理人
主权项
地址

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