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International Standard Category: Welding processes

NB/T 47018.1~47018.5-2017    Technical permission of welding materials for pressure equipment
承压设备用焊接材料订货技术条件 ;
Category No.:25.160.10 Valid Status:valid
Issued Organization:China Energy Aminidstration Issued Date:2017-03-28
Implemented Date:2017-8-1 Abolished Date:
Superseded Standard.: Superseded Date:
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