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    CNS 14121 Standard english version introduction

    CNS General No. CNS 14121
    Classified No. X1158
    Architectures of transport networks based on the synchronous digital hierarchy (SDH)
    同步數位階層為基礎之傳送網路架構
    Date of Approval
    Bureau of Standards, Metrology and Inspection Date of Revision
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    CNS Standard Code CNS 14121:2018
    CNS Standard Classified No. X1158
    CNS Standard English Title Architectures of transport networks based on the synchronous digital hierarchy (SDH)
    CNS Standard Chinese Title 同步數位階層為基礎之傳送網路架構
    CNS Standard Edition Status:Current; Latest date:03/23/1998 Confirmed date:01/16/2018
    CNS Standard Pages 58
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