Home / Standards / GB 9550-1999 GB 9550-1999 Abolished 50%Parathion-methyl emulsifiable concentrates 50%甲基对硫磷乳油 Standard Type GB ICS 65.100 CCS G25 Status 废止 Issue Date 1999-06-11 Implementation 2000-02-01 Responsible Dept 农业农村部 Drafting Unit N/A