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    CNS 172 Standard english version introduction

    CNS General No. CNS 172
    Classified No. B3035
    Woodruff Keys
    半圓鍵
    Date of Approval
    Bureau of Standards, Metrology and Inspection Date of Revision
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    CNS Standard Code CNS 172:2017
    CNS Standard Classified No. B3035
    CNS Standard English Title Woodruff Keys
    CNS Standard Chinese Title 半圓鍵
    CNS Standard Edition Status:Current; Latest date:08/10/1983 Confirmed date:07/27/2017
    CNS Standard Pages 3
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    English Translation Price $*** USD
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