Dispositif équipé d'un tube électronique pour fréquences très élevées,申请号FRD1067448-传众专利搜索

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发明名称	Dispositif équipé d'un tube électronique pour fréquences très élevées
摘要
申请公布号	FR1067448(A)	申请公布日期	1954.06.15
申请号	FRD1067448	申请日期	1952.12.04
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J43/02	主分类号	H01J43/02
代理机构		代理人
主权项
地址

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