| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 7653-2021 | English | 439 |
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Days<=4
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(Oil and gas drilling equipment, corrosion-resistant bolt connection)
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SY/T 7653-2021
| Valid |
SY/T 7653-2021
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