Home / Standards / GB/T 20406-2006 GB/T 20406-2006 Abolished Potassium sulfate for agricultural use 农业用硫酸钾 Standard Type GBT ICS 65.080 CCS G21 Status 废止 Issue Date 2006-03-14 Implementation 2006-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A