| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6226.2-1996 | English | 359 |
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Days<=3
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(Oil drilling equipment valve pneumatic components - Part 2: Pneumatic valve)
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SY/T 6226.2-1996
| Obsolete |
SY/T 6226.2-1996
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