Draft attachement for railway vehicles,申请号US19270208701-传众专利搜索

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发明名称	Draft attachement for railway vehicles
摘要
申请公布号	US1890303(A)	申请公布日期	1932.12.06
申请号	US19270208701	申请日期	1927.07.27
申请人	NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY	发明人	SCHMIDT ERNEST H.
分类号	B61G9/24	主分类号	B61G9/24
代理机构		代理人
主权项
地址

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