Amplificateur à haute fréquence neutralisé,申请号FRD877706-传众专利搜索

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法人/股东/高管

发明名称	Amplificateur à haute fréquence neutralisé
摘要
申请公布号	FR877706(A)	申请公布日期	1942.12.15
申请号	FRD877706	申请日期	1941.12.12
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H03F1/16	主分类号	H03F1/16
代理机构		代理人
主权项
地址

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