Railway vehicle truck,申请号US19290363613-传众专利搜索

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发明名称	Railway vehicle truck
摘要
申请公布号	US1898997(A)	申请公布日期	1933.02.28
申请号	US19290363613	申请日期	1929.05.16
申请人	FEIGHTNER LEWIS E	发明人	FEIGHTNER LEWIS E.
分类号	B61F3/04	主分类号	B61F3/04
代理机构		代理人
主权项
地址

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