Home / Standards / GB/T 18749-2008 GB/T 18749-2008 Abolished Standard specification for chemical-resistant ceramic tower packings 耐化学腐蚀陶瓷塔填料技术条件 Standard Type GBT ICS 81.060;71.120 CCS G94 Status 废止 Issue Date 2008-05-27 Implementation 2009-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A