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    CNS 251 Standard english version introduction

    CNS General No. CNS 251
    Classified No. B3077
    Adapter (Countersink Drill and Reamer, with Morse Taper Shank)
    插桿(沉鑽頭及鉸刀用,莫氏圓錐柄)
    Date of Approval
    Bureau of Standards, Metrology and Inspection Date of Revision
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    CNS Standard Code CNS 251:2021
    CNS Standard Classified No. B3077
    CNS Standard English Title Adapter (Countersink Drill and Reamer, with Morse Taper Shank)
    CNS Standard Chinese Title 插桿(沉鑽頭及鉸刀用,莫氏圓錐柄)
    CNS Standard Edition Status:Current; Latest date:09/25/1952 Confirmed date:12/06/2021
    CNS Standard Pages 3
    Chinese Version Price $***
    English Translation Price $*** USD
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