Electric traction motor,申请号US19470772360-传众专利搜索

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发明名称	Electric traction motor
摘要
申请公布号	US2473130(A)	申请公布日期	1949.06.14
申请号	US19470772360	申请日期	1947.09.05
申请人	THE JEFFREY MANUFACTURING COMPANY	发明人	BAUROTH WALTER J.
分类号	B61C9/38	主分类号	B61C9/38
代理机构		代理人
主权项
地址

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