High frequency electron tubes and a method of reducing grid loss therein,申请号GB19390012636-传众专利搜索

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发明名称	High frequency electron tubes and a method of reducing grid loss therein
摘要
申请公布号	GB531247(A)	申请公布日期	1941.01.01
申请号	GB19390012636	申请日期	1939.04.27
申请人	THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	发明人
分类号	H01J19/80	主分类号	H01J19/80
代理机构		代理人
主权项
地址

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