Perfectionnements aux tubes à décharge,申请号FRD721436-传众专利搜索

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发明名称	Perfectionnements aux tubes à décharge
摘要
申请公布号	FR721436(A)	申请公布日期	1932.03.03
申请号	FRD721436	申请日期	1931.04.14
申请人	COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON	发明人
分类号	H01J19/28	主分类号	H01J19/28
代理机构		代理人
主权项
地址

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