Home / Standards / GB/T 7746-2011 GB/T 7746-2011 Abolished Anhydrous hydrogen fluoride for industrial use 工业无水氟化氢 Standard Type GBT ICS 71.060.30 CCS G11 Status 废止 Issue Date 2011-07-20 Implementation 2012-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A