Improvements in or relating to methods of amplifying electrical signals,申请号GB19370008985-传众专利搜索

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发明名称	Improvements in or relating to methods of amplifying electrical signals
摘要
申请公布号	GB493050(A)	申请公布日期	1938.09.30
申请号	GB19370008985	申请日期	1937.03.30
申请人	BAIRD TELEVISION LIMITED;PETER WILLIAM WILLANS	发明人
分类号	H03C1/54	主分类号	H03C1/54
代理机构		代理人
主权项
地址

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