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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 25034-2020 |
Gas-fired heating and hot water combi-boiler 燃气采暖热水炉 |
China National Standards Gas fired heating |
 English PDF |
| GB/T 38350-2019 |
Residential gas-fired heating and hot water appliances with auxiliary energy 带辅助能源的住宅燃气采暖热水器具 |
China National Standards Gas fired heating |
English PDF |
| GB 51131-2016 |
Technical code for gas-fired combined cooling heating and power engineering 燃气冷热电联供工程技术规范 |
China National Standards Gas fired heating |
English PDF |
| GB 20665-2015 |
Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heater and Gas fired heating and hot water combi-boilers 家用燃气快速热水器和燃气采暖热水炉能效限定值及能效等级 |
China National Standards Gas fired heating |
English PDF |
| GB 25034-2010 |
Gas-fired heating and hot water combi-boilers 燃气采暖热水炉 |
China National Standards Gas fired heating |
English PDF |
| GB 20665-2006 |
Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heater and Gas fired heating and hot water combi-boilers 家用燃气快速热水器和燃气采暖热水炉能效限定值及能效等级 |
China National Standards Gas fired heating |
English PDF |
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