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 China 'GB 20665-2015 ' standard english version:

　

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

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
Issued Date:2015-05-15 　 Implemented Date:2016-06-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB 20665-2015
Standard Category China National Standards
GB Standard English Title 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
GB Standard Chinese Title 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
Chinese Version Price $5.00  per  page
English Translation Fee $15.00~$30.00   per  page
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