Home / Standards / GB/T 35621-2017 GB/T 35621-2017 Active General technical requirements of public shelter in major toxic gas leakage accident 重大毒气泄漏事故公众避难室通用技术要求 Standard Type GBT ICS 13.200 CCS A90 Status 现行 Issue Date 2017-12-29 Implementation 2018-06-01 Responsible Dept 应急管理部 Drafting Unit N/A