Preventing feed-back in amplifier tubes having common plate supply,申请号US19310530083-传众专利搜索

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发明名称	Preventing feed-back in amplifier tubes having common plate supply
摘要
申请公布号	US1845979(A)	申请公布日期	1932.02.16
申请号	US19310530083	申请日期	1931.04.14
申请人	THE WESTERN UNION TELEGRAPH COMPANY	发明人	HYNEMAN JOHN R.
分类号	H04B1/10	主分类号	H04B1/10
代理机构		代理人
主权项
地址

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