| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6818-2019 | English | 369 |
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Days<=3
|
(Safety Technical Specification for Coalbed Gas Well Drilling Engineering)
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SY/T 6818-2019
| Valid |
SY/T 6818-2019
|