Home / Standards / GB/T 1919-2014 GB/T 1919-2014 Abolished Potassium hydroxide for industrial use 工业氢氧化钾 Standard Type GBT ICS 71.060.40 CCS G11 Status 废止 Issue Date 2014-07-08 Implementation 2014-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A