Home / Standards / GB/T 6275-1986 GB/T 6275-1986 Abolished Ammonium hydrogen carbonate for industrial use 工业用碳酸氢铵 Standard Type GBT ICS 71.060.50 CCS G12 Status 废止 Issue Date 1986-04-18 Implementation 1987-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A