| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 24790-2009 | English | 399 |
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Days<=3
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Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
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GB 24790-2009
| Obsolete |
GB 24790-2009
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