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International Standard Category: Iron and steel pipes

GB 50398-2006    Code for design of rolling process on seamless steel tubes
无缝钢管工艺设计规范;
Category No.:23.040.10 Valid Status:abolished
Issued Organization:AQSIQ, MOHRUD Issued Date:2006-12-29
Implemented Date:2007-6-1 Abolished Date:2018-11-01
Superseded Standard.:GB/T 50398-2018 Standard for design of project on seamless steel tubes
Superseded Date:2018-11-1
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