Home / Standards / NY/T 4149-2022 NY/T 4149-2022 Active 动物源大肠埃希菌分离与鉴定技术规程 Standard Type NY ICS N/A CCS N/A Status Active Issue Date 2022-07-11 Implementation 2022-10-01 Centralized Committee 农业农村部 Issuing Authority 农业农村部