Home / Standards / GB 21976.2-2012 GB 21976.2-2012 Active Escape apparatus for building fire - Part 2: Automatic and repetitive rescue controlled descent device 建筑火灾逃生避难器材 第2部分：逃生缓降器 Standard Type GB ICS 13.220.10 CCS C85 Status 现行 Issue Date 2012-11-05 Implementation 2013-06-01 Responsible Dept 国家消防救援局 Drafting Unit N/A