Home / Standards / GB/T 20829 GB/T 20829 Active Performance requirements and test method of fixed aerosol fire-extinguishing systems for ships 船舶固定式气溶胶灭火系统性能要求和试验方法 Standard Type GBT ICS 47.020.50 CCS U 23 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委