Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
SY/T 5257-2012 |
Steel bends for oil and gas transmission 油气输送用钢制感应加热弯管 |
China Oil & Gas Industry
Standards bends |
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SH/T 3065-2005 |
Technical standard for return bends and elbows of tubular heater in petrochemical industry 石油化工管式炉急弯弯管技术标准 |
China Petrochemical Industry
Standards bends |
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DL/T 515-2004 |
Pipe bends for power station 电站弯管 |
China Electricity & Power
Standards bends |
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