Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
YDN 029-1997 Transmission of SDH Single-Frame and Multiplex Structure in PDH Network and Functional Description of Equipment (Interim Provisions) $330.00 via email in 1~5 business day abolished
YDN 045-1997 Basic Specifications for Management Network Information Model of Synchronous Digital Hierarchy (SDH) $1740.00 via email in 1~3 business day valid
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