Home / Standards / GB 21976.7-2012 GB 21976.7-2012 Active Escape apparatus for building fire - Part 7: Filtering respiratory protective devices for self-rescue from fire 建筑火灾逃生避难器材 第7部分:过滤式消防自救呼吸器 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