Draft attachment for railway cars,申请号US19380193783-传众专利搜索

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发明名称	Draft attachment for railway cars
摘要
申请公布号	US2258208(A)	申请公布日期	1941.10.07
申请号	US19380193783	申请日期	1938.03.03
申请人	THE BUCKEYE STEEL CASTINGS COMPANY	发明人	JOHNSON GEORGE T.
分类号	B61G9/22	主分类号	B61G9/22
代理机构		代理人
主权项
地址

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