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Standard Insuued on: 1998-06 |
Category No.: | SY | Valid Status: | superseded |
Issued Organization: | China National Petroleum Corporation | Issued Date: | 1998-06-23 |
Implemented Date: | 1998-11-1 | Abolished Date: | 2010-12-15 |
Superseded Standard.: | SY 6355-2010 Security Sign of Petroleum and Natural Gas Production SY/T 6355-2010 |
Superseded Date: | 2010-12-15 |
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