Perfectionnements aux valves thermioniques et à leurs circuits d'utilisation,申请号FRD773278-传众专利搜索

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发明名称	Perfectionnements aux valves thermioniques et à leurs circuits d'utilisation
摘要
申请公布号	FR773278(A)	申请公布日期	1934.11.15
申请号	FRD773278	申请日期	1934.05.15
申请人	COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON	发明人
分类号	H01J21/20	主分类号	H01J21/20
代理机构		代理人
主权项
地址

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