Home / Standards / GB/T 7744-2008 GB/T 7744-2008 Abolished Hydrofluoric acid for industrial use 工业氢氟酸 Standard Type GBT ICS 71.060.30 CCS G11 Status 废止 Issue Date 2008-09-18 Implementation 2009-09-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A