Locking mechanism for freight-car doors,申请号US19280309199-传众专利搜索

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发明名称	Locking mechanism for freight-car doors
摘要
申请公布号	US1797384(A)	申请公布日期	1931.03.24
申请号	US19280309199	申请日期	1928.09.29
申请人	WARD JOHN P;HYDE ROBERT E;GREEN HARRY J	发明人	WARD JOHN P.;HYDE ROBERT E.;GREEN HARRY J.
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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