Cathodes pour tubes à décharge,申请号FRD801146-传众专利搜索

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发明名称	Cathodes pour tubes à décharge
摘要
申请公布号	FR801146(A)	申请公布日期	1936.07.28
申请号	FRD801146	申请日期	1936.01.25
申请人	COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON	发明人
分类号	H01J1/26	主分类号	H01J1/26
代理机构		代理人
主权项
地址

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