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    CNS 991 Standard english version introduction

    CNS General No. CNS 991
    Classified No. R2034
    Vitrified Grinding Wheels
    瓷質燒結研磨輪
    Date of Approval
    Bureau of Standards, Metrology and Inspection Date of Revision
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    CNS Standard Code CNS 991:2020
    CNS Standard Classified No. R2034
    CNS Standard English Title Vitrified Grinding Wheels
    CNS Standard Chinese Title 瓷質燒結研磨輪
    CNS Standard Edition Status:Current; Latest date:01/26/1995 Confirmed date:09/04/2020
    CNS Standard Pages 10
    Chinese Version Price $***
    English Translation Price $*** USD
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