Home / Standards / GB/T 7989-2013 GB/T 7989-2013 Active Viterous and porcelain enamels―Determination of resistance to chemical corrosion by boiling acids and their vapours 搪玻璃釉 耐沸腾酸及其蒸气腐蚀性能的测定 Standard Type GBT ICS 25.220.50;71.120 CCS G94 Status 现行 Issue Date 2013-12-31 Implementation 2014-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A