Motor control apparatus,申请号US19310551859-传众专利搜索

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发明名称	Motor control apparatus
摘要
申请公布号	US1930950(A)	申请公布日期	1933.10.17
申请号	US19310551859	申请日期	1931.07.20
申请人	THE UNION SWITCH & SIGNAL COMPANY	发明人	DALZELL CLARENCE W.
分类号	B61L5/06	主分类号	B61L5/06
代理机构		代理人
主权项
地址

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