Home / Standards / GB/T 24192-2009 GB/T 24192-2009 Active Chromium ores - Determination of particle size by sieving 铬矿石 粒度的筛分测定 Standard Type GBT ICS 73.060.30 CCS D33 Status 现行 Issue Date 2009-07-08 Implementation 2010-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A