Improvements in and relating to amplifiers for photo-electric currents,申请号GB19290001294-传众专利搜索

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发明名称	Improvements in and relating to amplifiers for photo-electric currents
摘要
申请公布号	GB327475(A)	申请公布日期	1930.04.10
申请号	GB19290001294	申请日期	1929.01.14
申请人	DENES VON MIHALY	发明人
分类号	B24B33/08;H04N5/30	主分类号	B24B33/08
代理机构		代理人
主权项
地址

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