Home / Standards / GB/T 28715-2012 GB/T 28715-2012 Active Determination of acidic and neutral protease activity in feed additives - Spetrophotometric method 饲料添加剂酸性、中性蛋白酶活力的测定 分光光度法 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2012-09-03 Implementation 2013-02-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委