Home / Standards / GB/T 25848-2010 GB/T 25848-2010 Active Acid - resistant ceramic arched beam 耐酸陶瓷球拱 Standard Type GBT ICS 71.120 CCS G94 Status 现行 Issue Date 2011-01-10 Implementation 2011-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A