Dispositif amplificateur de tension continue et alternative,申请号FRD1179307-传众专利搜索

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发明名称	Dispositif amplificateur de tension continue et alternative
摘要
申请公布号	FR1179307(A)	申请公布日期	1959.05.22
申请号	FRD1179307	申请日期	1957.04.17
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H03F3/40	主分类号	H03F3/40
代理机构		代理人
主权项
地址

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