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| International Standard Category: Iron and steel pipes |
GB 9948-2006 Seamless steel tubes for petroleum cracking
石油裂化用无缝钢管;
| Category No.: | 23.040.10 | Valid Status: | superseded |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2006-8-16 |
| Implemented Date: | 2007-1-1 | Abolished Date: | |
| Superseded Standard.: | GB 9948-2013 Seamless steel tubes for petroleum cracking GB/T 9948-2013 |
Superseded Date: | 2014-7-1 |
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