| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/Z 39121-2020 | English | 249 |
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Days<=3
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Specification for operation management of biochar production from crop staw on soil quality improvement project
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GB/Z 39121-2020
| Valid |
GB/Z 39121-2020
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