Improvements in or relating to reducing hum in valve circuits,申请号GB19560023591-传众专利搜索

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发明名称	Improvements in or relating to reducing hum in valve circuits
摘要
申请公布号	GB808448(A)	申请公布日期	1959.02.04
申请号	GB19560023591	申请日期	1956.07.31
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人	BOWERS DOUGLAS FREDERICK
分类号	H04B15/00	主分类号	H04B15/00
代理机构		代理人
主权项
地址

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