Home / Standards / GB/T 23271-2009 GB/T 23271-2009 Abolished Molybdenum disulfide 二硫化钼 Standard Type GBT ICS 77.160 CCS H70 Status 废止 Issue Date 2009-01-05 Implementation 2009-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A