Home / Standards / QB/T 2564.7-2015 QB/T 2564.7-2015 Active 螺钉旋具 内六角螺钉旋具 Standard Type QB ICS N/A CCS N/A Status Active Issue Date 2015-04-30 Implementation 2015-10-01 Centralized Committee 轻工 Issuing Authority 轻工