Improvements in and relating to photo-electric optical systems for the scanning of records by reflected light,申请号GB19380033735-传众专利搜索

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发明名称	Improvements in and relating to photo-electric optical systems for the scanning of records by reflected light
摘要
申请公布号	GB512546(A)	申请公布日期	1939.09.19
申请号	GB19380033735	申请日期	1938.11.21
申请人	OTTO KURT KOLB	发明人
分类号	G11B7/00	主分类号	G11B7/00
代理机构		代理人
主权项
地址

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