Home / Standards / NY/T 249-2020 NY/T 249-2020 Active 剑麻织物 物理性能试样的选取和裁剪 Standard Type NY ICS N/A CCS N/A Status Active Issue Date 2020-11-12 Implementation 2021-04-01 Centralized Committee 农业农村部 Issuing Authority 农业农村部