Home / Standards / GB/T 39140.2-2020 GB/T 39140.2-2020 Active Clamping flanges for diamond circular saw blade—Part 2:Building construction and civil engineering 金刚石圆锯片用夹紧卡盘 第2部分:建筑施工和土木工程 Standard Type GBT ICS 25.100.70 CCS J43 Status 现行 Issue Date 2020-10-11 Implementation 2021-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A