Home / Standards / GB/T 25503-2010 GB/T 25503-2010 Abolished 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 91.140.99 CCS P45 Status 废止 Issue Date 2011-01-10 Implementation 2011-03-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A