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Value-added Services
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Standard Insuued on: 2001-09 |
Category No.: | SY | Valid Status: | superseded |
Issued Organization: | State Economic and Trade Commission | Issued Date: | 2001-09-24 |
Implemented Date: | 2002-1-1 | Abolished Date: | 2010-12-15 |
Superseded Standard.: | SY/T 0441-2010 Technical Specification for Manufacture and Installation of Steam Generators Used in Oil-fields |
Superseded Date: | 2010-12-15 |
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