Home / Standards / GB/T 38808-2020 GB/T 38808-2020 Active Waves webs section steel for building structures 建筑结构用波纹腹板型钢 Standard Type GBT ICS 77.140.70 CCS H44 Status 现行 Issue Date 2020-06-02 Implementation 2021-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A