Door mechanism for railway cars,申请号US19250074496-传众专利搜索

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发明名称	Door mechanism for railway cars
摘要
申请公布号	US1904023(A)	申请公布日期	1933.04.18
申请号	US19250074496	申请日期	1925.12.10
申请人	WINE WILLIAM E;KADEL BYERS W	发明人	WINE WILLIAM E.;KADEL BYERS W.
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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