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GB 25034-2020
Gas-fired heating and hot water combi-boiler
燃气采暖热水炉 - 英文版
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 - 英文版
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 - 英文版
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 - 英文版
GB 25034-2010
Gas-fired heating and hot water combi-boilers
燃气采暖热水炉 - 英文版
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 - 英文版

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