Home / Standards / GB/T 30071-2013 GB/T 30071-2013 Active High-density and fine-particle special graphite product 细颗粒高密度特种石墨产品 Standard Type GBT ICS 29.050 CCS Q51 Status 现行 Issue Date 2013-12-17 Implementation 2014-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A