Screen grid for power tubes and method of making the same,申请号US19620206873-传众专利搜索

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发明名称	Screen grid for power tubes and method of making the same
摘要
申请公布号	US3197390(A)	申请公布日期	1965.07.27
申请号	US19620206873	申请日期	1962.07.02
申请人	MEARS NORMAN B	发明人	MEARS NORMAN B.
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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