Home / Standards / HB 8349-2013(2017) HB 8349-2013(2017) Active 1CR17Ni2镀铜螺纹公差带6G头部1个保险丝孔小六角头螺钉 Standard Type HB83 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