Home / Standards / GB/T 20370 GB/T 20370 Active Guideline for enzyme preparations classification 酶制剂分类导则 Standard Type GBT ICS 67.180.20 CCS X60 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委