1.
    发明专利
    未知

    公开(公告)号:DE2321736A1

    公开(公告)日:1973-11-08

    申请号:DE2321736

    申请日:1973-04-26

    Abstract: The present invention relates to optical instruments, such as photometers including spectrophotometers, and relates more particularly to a light-shifting device of light refracting type for receiving a beam of light used in such instruments and shifting it into one or the other of two parallel paths.

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