Improvements in and relating to concave grating spectrographs,申请号GB19470002834-传众专利搜索

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发明名称	Improvements in and relating to concave grating spectrographs
摘要
申请公布号	GB631748(A)	申请公布日期	1949.11.09
申请号	GB19470002834	申请日期	1947.01.29
申请人	ADAM HILGER LIMITED;ALEXANDER CHARLES GEORGE MENZIES;JOHN HENDRI DOWELL	发明人
分类号	G01J3/20	主分类号	G01J3/20
代理机构		代理人
主权项
地址

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