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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SY/T 7464-2020 |
Technical standard for welding and non-destructive testing of corrosion-resistant alloy bimetallic clad pipes {译} 耐腐蚀合金双金属复合管焊接及无损检测技术标准 |
China Oil & Gas Industry
Standards Technical standard welding |
 English PDF |
| SH/T 3127-2001 |
Technical standard for chrome-molybdenum alloy steel plug-welding return of petrochemical tubular heater 石油化工管式炉铬钼钢焊接回弯头技术规范 |
China Petrochemical Industry
Standards Technical standard welding |
English PDF |
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