Perfectionnements aux amplificateurs d'ondes électriques,申请号FRD939400-传众专利搜索

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发明名称	Perfectionnements aux amplificateurs d'ondes électriques
摘要
申请公布号	FR939400(A)	申请公布日期	1948.11.12
申请号	FRD939400	申请日期	1946.10.25
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	ROGERS DOUGLAS CECIL
分类号	H03K4/39;H03K4/43	主分类号	H03K4/39
代理机构		代理人
主权项
地址

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