Draft rigging for railway cars,申请号US19490078530-传众专利搜索

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发明名称	Draft rigging for railway cars
摘要
申请公布号	US2678137(A)	申请公布日期	1954.05.11
申请号	US19490078530	申请日期	1949.02.26
申请人	W. H. MINER, INC.	发明人	LOUNSBURY HARVEY J.
分类号	B61G9/04;B61G9/10	主分类号	B61G9/04
代理机构		代理人
主权项
地址

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