Home / Standards / GB/T 38585-2020 GB/T 38585-2020 Active Technical specification of joint assembling for directly buried insulated pipeline of urban heating 城镇供热直埋管道接头保温技术条件 Standard Type GBT ICS 91.140.10 CCS P46 Status 现行 Issue Date 2020-03-31 Implementation 2021-02-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A