Perfectionnements aux tubes électroniques de puissance,申请号FRD823254-传众专利搜索

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发明名称	Perfectionnements aux tubes électroniques de puissance
摘要
申请公布号	FR823254(A)	申请公布日期	1938.01.18
申请号	FRD823254	申请日期	1937.06.18
申请人	COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON	发明人
分类号	H01J19/78	主分类号	H01J19/78
代理机构		代理人
主权项
地址

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