Thermionic vacuum tube circuit,申请号US19350010454-传众专利搜索

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发明名称	Thermionic vacuum tube circuit
摘要
申请公布号	US2055921(A)	申请公布日期	1936.09.29
申请号	US19350010454	申请日期	1935.03.11
申请人	ROBERT A. CASEY	发明人	BAKER PAUL
分类号	H03F1/54;H04B1/16	主分类号	H03F1/54
代理机构		代理人
主权项
地址

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