Home / Standards / HB 8056-2013(2017) HB 8056-2013(2017) Active 16CRSiNiMJ螺纹单耳双孔托板自锁螺母 Standard Type HB80 ICS N/A CCS N/A Status Active Issue Date 2013-10-13 Implementation 2014-03-01 Centralized Committee 工业和信息化部 Issuing Authority 工业和信息化部