Home / Standards / GB/T 2899-2008 GB/T 2899-2008 Abolished Barium sulphate precipitated for industrial use 工业沉淀硫酸钡 Standard Type GBT ICS 71.060.50 CCS G12 Status 废止 Issue Date 2008-04-10 Implementation 2008-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit 中国石油和化学工业联合会