Home / Standards / GB 27897 GB 27897 Upcoming Class A foam extinguishing agent A类泡沫灭火剂 Standard Type GB ICS 13.220.10 CCS C84 Status 即将实施 Issue Date 2025-10-31 Implementation 2026-11-01 Responsible Dept 国家消防救援局 Drafting Unit 国家消防救援局