Home / Standards / GB/T 20252-2014 GB/T 20252-2014 Active Lithium cobalt oxide 钴酸锂 Standard Type GBT ICS 77.160 CCS H71 Status 现行 Issue Date 2014-07-24 Implementation 2015-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A