Optical system comprising a positive member and a weak auxiliary member,申请号US19490071964-传众专利搜索

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发明名称	Optical system comprising a positive member and a weak auxiliary member
摘要
申请公布号	US2559881(A)	申请公布日期	1951.07.10
申请号	US19490071964	申请日期	1949.01.21
申请人	EASTMAN KODAK COMPANY	发明人	KINGSLAKE RUDOLF;BENNETT HAROLD F.
分类号	G02B13/02	主分类号	G02B13/02
代理机构		代理人
主权项
地址

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