Home / Standards / GB/T 16550-2020 GB/T 16550-2020 Active Diagnostic techniques for newcastle disease 新城疫诊断技术 Standard Type GBT ICS 11.220 CCS B41 Status 现行 Issue Date 2020-12-14 Implementation 2020-12-14 Responsible Dept 农业农村部 Drafting Unit N/A