Improvements in or relating to electric amplifiers,申请号GB19520018009-传众专利搜索

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发明名称	Improvements in or relating to electric amplifiers
摘要
申请公布号	GB731168(A)	申请公布日期	1955.06.01
申请号	GB19520018009	申请日期	1952.07.16
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;DENIS WILLIAM HARLING	发明人
分类号	H04N5/52	主分类号	H04N5/52
代理机构		代理人
主权项
地址

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