Home / Standards / GB/T 39920-2021 GB/T 39920-2021 Active Quarantine protocol for infection with Ranavirus 蛙病毒感染检疫技术规范 Standard Type GBT ICS 65.020.30 CCS B41 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 农业农村部 Drafting Unit N/A