Perfectionnements aux lampes à décharge électrique,申请号FRD867748-传众专利搜索

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发明名称	Perfectionnements aux lampes à décharge électrique
摘要
申请公布号	FR867748(A)	申请公布日期	1941.11.25
申请号	FRD867748	申请日期	1940.11.20
申请人	COMPAGNIE DES LAMPES	发明人
分类号	H01J61/52	主分类号	H01J61/52
代理机构		代理人
主权项
地址

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