Home / Standards / GB/T 43878-2024 GB/T 43878-2024 Active Pick for rotary drilling rig 旋挖钻机截齿 Standard Type GBT ICS 77.140.70 CCS H44 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A