Home / Standards / GB/T 20961-2018 GB/T 20961-2018 Active Single-rope mine drum hoist 单绳缠绕式矿井提升机 Standard Type GBT ICS 73.100.40 CCS D93 Status 现行 Issue Date 2018-03-15 Implementation 2018-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A