Montage changeur de fréquence pour oscillations électriques,申请号FRD875196-传众专利搜索

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发明名称	Montage changeur de fréquence pour oscillations électriques
摘要
申请公布号	FR875196(A)	申请公布日期	1942.09.09
申请号	FRD875196	申请日期	1941.09.10
申请人	N. V. PHILIPS'GLOEILAMPENFABRIEKEN	发明人
分类号	H03D7/00;H03D7/02	主分类号	H03D7/00
代理机构		代理人
主权项
地址

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