Grid for use in electric discharge tubes,申请号US19550494690-传众专利搜索

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发明名称	Grid for use in electric discharge tubes
摘要
申请公布号	US2829298(A)	申请公布日期	1958.04.01
申请号	US19550494690	申请日期	1955.03.16
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	GUDE HELMUT FRANZ ALOIS TE
分类号	H01J19/00	主分类号	H01J19/00
代理机构		代理人
主权项
地址

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