| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 3179-2002 | English | 679 |
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Days<=3
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Surfacing procedure qualification and welder performance qualification for high pressure urea equipment
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HG/T 3179-2002
| Obsolete |
HG/T 3179-2002
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