| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SN/T 0821-1999 | English | 399 |
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Days<=3
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Rules for the inspection of welding drill pipes for import and export
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SN/T 0821-1999
| Obsolete |
SN/T 0821-1999
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