Home / Standards / GB/T 37256-2018 GB/T 37256-2018 Active General technical requirements of building outdoor bar screen 建筑室外用格栅通用技术要求 Standard Type GBT ICS 91.060.99 CCS Q70 Status 现行 Issue Date 2018-12-28 Implementation 2019-11-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A