Perfectionnements aux lampes à mercure,申请号FRD679301-传众专利搜索

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发明名称	Perfectionnements aux lampes à mercure
摘要
申请公布号	FR679301(A)	申请公布日期	1930.04.11
申请号	FRD679301	申请日期	1929.07.26
申请人		发明人	HARDEN JOHANNES
分类号	H05B41/22	主分类号	H05B41/22
代理机构		代理人
主权项
地址

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