Tubes à décharges électroniques,申请号FRD986437-传众专利搜索

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发明名称	Tubes à décharges électroniques
摘要
申请公布号	FR986437(A)	申请公布日期	1951.07.31
申请号	FRD986437	申请日期	1949.03.04
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	RE?VES ALEC HARL?;HOUGH GEORGE HUBERT
分类号	H01J7/44;H01J17/48;H03B7/04;H03K29/00	主分类号	H01J7/44
代理机构		代理人
主权项
地址

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