Home / Standards / GB/T 2077-2023 GB/T 2077-2023 Active Indexable carbide inserts—Corner radii 硬质合金可转位刀片 圆角半径 Standard Type GBT ICS 77.160 CCS H 70 Status 现行 Issue Date 2023-12-28 Implementation 2024-07-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A