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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 NB/T 11638-2024_ENGLISH Method for determining the extraction volume of single-layer gas in multi-coal seam by drilling through - Seam holes: measured flow rate method 1 3 299 Need to translate
Delete 2 YS/T 337-2021_ENGLISH (Sulphur concentrate) 1 3 199 Need to translate
More PDF Samples                    Total (USD) 498.00

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