Improvements in and relating to electrical amplifying apparatus employing dynamo electric machines,申请号GB19440000463-传众专利搜索

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发明名称	Improvements in and relating to electrical amplifying apparatus employing dynamo electric machines
摘要
申请公布号	GB574155(A)	申请公布日期	1945.12.21
申请号	GB19440000463	申请日期	1944.01.10
申请人	GEORGE HERBERT FLETCHER;METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED	发明人
分类号	H02P25/28	主分类号	H02P25/28
代理机构		代理人
主权项
地址

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