Thermionic discharge device control,申请号US19480016952-传众专利搜索

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发明名称	Thermionic discharge device control
摘要
申请公布号	US2554902(A)	申请公布日期	1951.05.29
申请号	US19480016952	申请日期	1948.03.25
申请人	NATIONAL RESEARCH CORPORATION	发明人	GODLEY PHILIP
分类号	C23C14/30	主分类号	C23C14/30
代理机构		代理人
主权项
地址

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