Magnetic control system,申请号US19290390162-传众专利搜索

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发明名称	Magnetic control system
摘要
申请公布号	US1845241(A)	申请公布日期	1932.02.16
申请号	US19290390162	申请日期	1929.09.03
申请人	HEVI DUTY ELECTRIC COMPANY	发明人	COOLEY WILLIAM B.
分类号	H05B3/00	主分类号	H05B3/00
代理机构		代理人
主权项
地址

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