| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6270-1997 | English | 559 |
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Days<=4
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(Use and maintenance of oil drilling pressure manifold parts)
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SY/T 6270-1997
| Obsolete |
SY/T 6270-1997
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