Home / Standards / GB/T 14949.8-2018 GB/T 14949.8-2018 Active Manganese ores—Determination of hygroscopic moisture content—Gravimetric method 锰矿石 湿存水量的测定 重量法 Standard Type GBT ICS 73.060.20 CCS D32 Status 现行 Issue Date 2018-09-17 Implementation 2019-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A