Amplificateur de signaux électriques,申请号FRD1106637-传众专利搜索

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发明名称	Amplificateur de signaux électriques
摘要
申请公布号	FR1106637(A)	申请公布日期	1955.12.21
申请号	FRD1106637	申请日期	1954.08.23
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H03F3/28;H03F3/32;H03F3/36;H03F3/44;H03F5/00	主分类号	H03F3/28
代理机构		代理人
主权项
地址

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