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11.Biocular eyepiece optical system employing refractive and diffractive optical elements 失效
Title translation: 双目目镜采用折射和衍射光学元件公开(公告)号:EP0534711B1
公开(公告)日:1999-08-04
申请号:EP92308612.8
申请日:1992-09-22
Applicant: Raytheon Company
Inventor: Chen, Chungte W.
CPC classification number: G02B5/1895 , G02B3/02 , G02B5/1876 , G02B13/14 , G02B25/001 , G02B27/0037 , G02B27/4211 , H01J29/89 , H01J2229/893