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| Latest Standard |
SY/T 6150.2-2018 Specification for hot tapping plugging on steel pipeline. Part2:Rigid plate-bag stoppling
钢质管道封堵技术规范 第2部分：挡板-囊式封堵
| Category No.: | SY | Valid Status: | valid |
| Issued Organization: | NEA | Issued Date: | 2018-10-29 |
| Implemented Date: | 2019-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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