Home / Standards / GB/T 25503-2024 GB/T 25503-2024 Active Requirements in sell and market service of city gas burning-appliances 城镇燃气燃烧器具销售和售后服务要求 Standard Type GBT ICS 03.080 CCS A16 Status 现行 Issue Date 2024-05-28 Implementation 2024-12-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A