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| Latest Standard |
SY/T 6516-2010 Rules for safe operation of electrical welding in petroleum industry
石油工业电焊焊接作业安全规程
| Category No.: | SY | Valid Status: | superseded |
| Issued Organization: | NEA | Issued Date: | 2011-01-09 |
| Implemented Date: | 2011-5-1 | Abolished Date: | |
| Superseded Standard.: | SY/T 6444-2018 Safety code for petroleum engineering construction |
Superseded Date: | 2019-3-1 |
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