Colour-selective optical system corrected with regard to astigmatism,申请号US19570639764-传众专利搜索

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发明名称	Colour-selective optical system corrected with regard to astigmatism
摘要
申请公布号	US2896499(A)	申请公布日期	1959.07.28
申请号	US19570639764	申请日期	1957.02.12
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	LANG HENDRIK DE
分类号	G02B5/20;G02B27/00	主分类号	G02B5/20
代理机构		代理人
主权项
地址

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