Railway car truck,申请号US19430483621-传众专利搜索

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发明名称	Railway car truck
摘要
申请公布号	US2394238(A)	申请公布日期	1946.02.05
申请号	US19430483621	申请日期	1943.04.19
申请人	GOODWIN GEORGE S	发明人	GOODWIN GEORGE S.
分类号	B61F5/36	主分类号	B61F5/36
代理机构		代理人
主权项
地址

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