Home / Standards / GB/T 45686-2025 GB/T 45686-2025 Active Intelligent cylinder mill used in mining—Technical requirements 矿用智能筒式磨机 技术要求 Standard Type GBT ICS 73.120 CCS D94 Status 现行 Issue Date 2025-05-30 Implementation 2025-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A