électrode de grille pour tube à décharge électrique,申请号FR19620904472-传众专利搜索

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发明名称	électrode de grille pour tube à décharge électrique
摘要
申请公布号	FR1329297(A)	申请公布日期	1963.06.07
申请号	FR19620904472	申请日期	1962.07.19
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J19/38	主分类号	H01J19/38
代理机构		代理人
主权项
地址

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