| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JB/T 9023.1-2019 | English | 205 |
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Downhole Drill - Part 1: Open-Cut Type
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JB/T 9023.1-2019
| Valid |
JB/T 9023.1-2019
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