Home / Standards / GB/T 31575-2015 GB/T 31575-2015 Abolished Code of practice for establishment and implementation of quality tracing system for commercial potatoes 马铃薯商品薯质量追溯体系的建立与实施规程 Standard Type GBT ICS 65.020.20 CCS B05 Status 废止 Issue Date 2015-05-15 Implementation 2015-11-27 Responsible Dept 农业农村部 Drafting Unit N/A