Chinese Standard: 'SY 5068-1991'
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY 5068-1991 | English | 239 |
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Days<=2
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(Workover by Releasing overshot)
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SY 5068-1991
| Obsolete |
SY 5068-1991
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SIMILAR unprotected-true-PDFs:
SY/T 5164-2016 SY/T 5324-2013 GB/T 23258-2020
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