Home / Standards / GB/T 4388-2008 GB/T 4388-2008 Active Types of open-end wrenches, box wrenches and combination wrenches 呆扳手、梅花扳手、两用扳手的型式 Standard Type GBT ICS 25.140.30 CCS J47 Status 现行 Issue Date 2008-12-30 Implementation 2009-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会