Variable speed electric power unit,申请号US19330659684-传众专利搜索

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发明名称	Variable speed electric power unit
摘要
申请公布号	US2198940(A)	申请公布日期	1940.04.30
申请号	US19330659684	申请日期	1933.03.06
申请人	U. S. ELECTRICAL MOTORS, INC.	发明人	HEYER DON;PFLEGER GEORGE T.
分类号	F16H9/12;H02K7/10	主分类号	F16H9/12
代理机构		代理人
主权项
地址

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