Perfectionnements aux lampes à décharge dans les gaz,申请号FRD1009679-传众专利搜索

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发明名称	Perfectionnements aux lampes à décharge dans les gaz
摘要
申请公布号	FR1009679(A)	申请公布日期	1952.06.03
申请号	FRD1009679	申请日期	1948.06.16
申请人		发明人	ROY
分类号	H01J61/72	主分类号	H01J61/72
代理机构		代理人
主权项
地址

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