Perfectionnements aux dispositifs à décharge électronique,申请号FRD712233-传众专利搜索

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发明名称	Perfectionnements aux dispositifs à décharge électronique
摘要
申请公布号	FR712233(A)	申请公布日期	1931.10.14
申请号	FRD712233	申请日期	1931.02.27
申请人	COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON	发明人
分类号	H01J5/06	主分类号	H01J5/06
代理机构		代理人
主权项
地址

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