Friction wedge for railway car trucks,申请号US19460702963-传众专利搜索

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发明名称	Friction wedge for railway car trucks
摘要
申请公布号	US2564346(A)	申请公布日期	1951.08.14
申请号	US19460702963	申请日期	1946.10.12
申请人	STANDARD CAR TRUCK COMPANY	发明人	SHAW CHARLES B.
分类号	B61F5/12	主分类号	B61F5/12
代理机构		代理人
主权项
地址

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