CIRCUIT ARRANGEMENT FOR MODULATING AN ELECTRIC SIGNAL,申请号CAD488940-传众专利搜索

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发明名称	CIRCUIT ARRANGEMENT FOR MODULATING AN ELECTRIC SIGNAL
摘要
申请公布号	CA488940(A)	申请公布日期	1952.12.16
申请号	CAD488940	申请日期
申请人	N.V. PHILIPS GLOEILAMPENFABRIEKEN	发明人	GERARD HEPP
分类号		主分类号
代理机构		代理人
主权项
地址

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