Improvements in and relating to exposure meters and apparatus for measuring brightness,申请号GB19500016698-传众专利搜索

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发明名称	Improvements in and relating to exposure meters and apparatus for measuring brightness
摘要
申请公布号	GB693443(A)	申请公布日期	1953.07.01
申请号	GB19500016698	申请日期	1950.07.04
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;EDWARD REGINALD THOMAS	发明人
分类号	G01J1/42	主分类号	G01J1/42
代理机构		代理人
主权项
地址

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