Home / Standards / GB/T 18634-2009 GB/T 18634-2009 Active Determination of feed phytase activity - Spectrophotometric method 饲用植酸酶活性的测定 分光光度法 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2009-05-26 Implementation 2009-10-01 Responsible Dept 国家标准委 Drafting Unit N/A