| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 26969-2011 | English | 229 |
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Days<=3
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Minimum allowable values of energy efficiency and energy efficiency grades for domestic solar water heating systems
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GB 26969-2011
| Valid |
GB 26969-2011
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