Electrical amplifying circuits,申请号GB19640001973-传众专利搜索

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发明名称	Electrical amplifying circuits
摘要
申请公布号	GB989329(A)	申请公布日期	1965.04.14
申请号	GB19640001973	申请日期	1964.01.16
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人	HIRST IAN JOHNSON
分类号	H03F1/54	主分类号	H03F1/54
代理机构		代理人
主权项
地址

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