Thermionic amplifier and detector,申请号US19200410025-传众专利搜索

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发明名称	Thermionic amplifier and detector
摘要
申请公布号	US1811095(A)	申请公布日期	1931.06.23
申请号	US19200410025	申请日期	1920.09.13
申请人	RADIO CORPORATION	发明人	ROUND HENRY JOSEPH
分类号	H03F3/02	主分类号	H03F3/02
代理机构		代理人
主权项
地址

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