GB 21521-2014: Translated English of Chinese Standard. GB 21521-2014: Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Copy Machines, Printers and Fax Machines

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https://www.chinesestandard.net, 2017. 8. 2. - 27페이지
This Standard specifies the energy efficiency grades, minimum allowable values of energy efficiency, energy conservation evaluating values, methods for test and calculation, inspection rules of general-purpose copy machines, printers, fax machines, multifunction devices.
 

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