Home / Standards / GB 320-1993 GB 320-1993 Abolished Synthetic hydrochloric acid for industrial use 工业用合成盐酸 Standard Type GB ICS 71.060.30 CCS G11 Status 废止 Issue Date 1993-01-06 Implementation 1993-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A