Thermionic vacuum tube and circuit,申请号US19430516147-传众专利搜索

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发明名称	Thermionic vacuum tube and circuit
摘要
申请公布号	US2519420(A)	申请公布日期	1950.08.22
申请号	US19430516147	申请日期	1943.12.30
申请人	THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	发明人	VARIAN RUSSELL H.
分类号	H01J19/80;H03F1/08	主分类号	H01J19/80
代理机构		代理人
主权项
地址

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