Improvements in or relating to high frequency amplifier arrangements,申请号GB19380017417-传众专利搜索

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发明名称	Improvements in or relating to high frequency amplifier arrangements
摘要
申请公布号	GB515762(A)	申请公布日期	1939.12.13
申请号	GB19380017417	申请日期	1938.06.11
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED;ERNEST GREEN	发明人
分类号	H03F3/52	主分类号	H03F3/52
代理机构		代理人
主权项
地址

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