Home / Standards / GB/T 23387-2009 GB/T 23387-2009 Active Evaluation of forage nutritional quality - Grading index(GI)method 饲草营养品质评定 GI法 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2009-03-26 Implementation 2009-07-01 Responsible Dept 国家标准委 Drafting Unit N/A