Perfectionnements aux tubes luminescents,申请号FRD724204-传众专利搜索

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发明名称	Perfectionnements aux tubes luminescents
摘要
申请公布号	FR724204(A)	申请公布日期	1932.04.23
申请号	FRD724204	申请日期	1930.12.17
申请人	COMPAGNIE DES TUBES LUMINESCENTS	发明人
分类号	H05B41/24	主分类号	H05B41/24
代理机构		代理人
主权项
地址

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