Home / Standards / GB 29539-2013 GB 29539-2013 Active The minimum allowable values of energy efficiency and energy efficiency grades for range hoods 吸油烟机能效限定值及能效等级 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2013-06-09 Implementation 2013-10-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委