Friction shock absorber for trucks of railway cars,申请号US19490105167-传众专利搜索

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发明名称	Friction shock absorber for trucks of railway cars
摘要
申请公布号	US2614831(A)	申请公布日期	1952.10.21
申请号	US19490105167	申请日期	1949.07.16
申请人	W. H. MINER, INC.	发明人	WITHALL WILLIAM E.
分类号	B61F5/12;F16F3/087	主分类号	B61F5/12
代理机构		代理人
主权项
地址

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