Improvements in and relating to electric motor speed control systems,申请号GB19310034876-传众专利搜索

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发明名称	Improvements in and relating to electric motor speed control systems
摘要
申请公布号	GB394372(A)	申请公布日期	1933.06.16
申请号	GB19310034876	申请日期	1931.12.16
申请人	THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED	发明人
分类号	F23H3/02;H02P5/50	主分类号	F23H3/02
代理机构		代理人
主权项
地址

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