Perfectionnements aux lampes mélangeuses ou convertisseuses,申请号FRD861280-传众专利搜索

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发明名称	Perfectionnements aux lampes mélangeuses ou convertisseuses
摘要
申请公布号	FR861280(A)	申请公布日期	1941.02.05
申请号	FRD861280	申请日期	1939.10.31
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H03D7/10;H03G3/22	主分类号	H03D7/10
代理机构		代理人
主权项
地址

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