| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 14949.11-2021 | English | 230 |
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Manganese ores - Determination of carbon content - Gravimetric method and infrared absorption method
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GB/T 14949.11-2021
| Valid |
GB/T 14949.11-2021
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