Home / Standards / GB 20517-2006 GB 20517-2006 Active self-contained smoke alarms 独立式感烟火灾探测报警器 Standard Type GB ICS 13.220.20 CCS C81 Status 现行 Issue Date 2006-07-17 Implementation 2007-04-01 Responsible Dept 国家消防救援局 Drafting Unit 国家消防救援局