Railway-car side door,申请号US19280296943-传众专利搜索

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发明名称	Railway-car side door
摘要
申请公布号	US1775848(A)	申请公布日期	1930.09.16
申请号	US19280296943	申请日期	1928.08.02
申请人	COUTANT GEORGE E	发明人	COUTANT GEORGE E.
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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