Home / Standards / GB/T 39485-2020 GB/T 39485-2020 Active Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Manual gas valves 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 手动燃气阀 Standard Type GBT ICS 91.140 CCS P45 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A