Emergency coupling for railroad cars,申请号US19310538332-传众专利搜索

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发明名称	Emergency coupling for railroad cars
摘要
申请公布号	US1892619(A)	申请公布日期	1932.12.27
申请号	US19310538332	申请日期	1931.05.18
申请人	S. A. LOVE	发明人	HUDGINS PATRICK LEE
分类号	B61G7/14	主分类号	B61G7/14
代理机构		代理人
主权项
地址

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