| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 20899.1-2019 | English | 280 |
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Methods for chemical analysis of gold ores - Part 1: Determination of gold content
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GB/T 20899.1-2019
| Valid |
GB/T 20899.1-2019
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