Home / Standards / GB/T 2946-2008 GB/T 2946-2008 Abolished Ammonium chloride 氯化铵 Standard Type GBT ICS 65.080 CCS G21 Status 废止 Issue Date 2008-12-31 Implementation 2009-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A