www.ChineseStandard.net Database: 189760 (25 Oct 2025)

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S/N Standard ID_Text(Version) Description (PDF / digital product) Qty Lead Time (Days) Price (USD) Price Non-USD PDF Preview
Delete 1 YDN 121-1999_ENGLISH Technical specifications for SDH network synchronous state information (internal standard) 1 6 1559 Need to translate
More PDF Samples                    Total (USD) 1559.00

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