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GB 20665-2015 standard english preview version PDF file download



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 $15 USD per 50 pages
English Translation Price About $15  per 1 page; Inquire us for detail price

 
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This is a preview version of GB 20665-2015 standard PDF file for download ;
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