Home / Standards / GB/T 46427-2025 GB/T 46427-2025 Active Assessment method of intelligent heavy medium separation system in coal preparation plant 选煤厂重介质分选系统智能化评定方法 Standard Type GBT ICS 73.120 CCS D27 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A