| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6968-2021 | English | 2039 |
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Days<=10
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(Design Code for Horizontal Directional Drilling Crossing of Oil and Gas Pipeline Engineering)
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SY/T 6968-2021
| Valid |
SY/T 6968-2021
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