Home / Standards / GB/T 28198-2011 GB/T 28198-2011 Active Ventilator for windows 窗用动力通风器 Standard Type GBT ICS 29.020 CCS K65 Status 现行 Issue Date 2011-12-30 Implementation 2012-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A