| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JC/T 2782-2023 | English | 309 |
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Days<=3
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(Chemical Analysis Methods for Charcoal Gemstones)
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JC/T 2782-2023
| Valid |
JC/T 2782-2023
|