Home / Standards / GB 27897-2011 GB 27897-2011 Active Class A foam extinguishing agent A类泡沫灭火剂 Standard Type GB ICS 13.220.10 CCS C84 Status 现行 Issue Date 2011-12-30 Implementation 2012-03-01 Responsible Dept 国家消防救援局 Drafting Unit N/A