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| International Standard Category: Lubricants, industrial oils and related products |
SY/T 6621-2005 Managing system integrity of gas pipelines
输气管道系统完整性管理 ;
| Category No.: | 75.01 | Valid Status: | superseded |
| Issued Organization: | NDRC | Issued Date: | 2005-7-26 |
| Implemented Date: | 2005-10-1 | Abolished Date: | 2016-6-1 |
| Superseded Standard.: | SY/T 6621-2016 Managing system integrity of gas pipelines |
Superseded Date: | 2016-6-1 |
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