Home / Standards / GB/T 2861.4-2008 GB/T 2861.4-2008 Active Guide unit for stamping dies - Part 4: Guide bushes for ball-bearing 冲模导向装置 第4部分:滚动导向导套 Standard Type GBT ICS 25.120.30 CCS J46 Status 现行 Issue Date 2008-04-10 Implementation 2008-10-01 Responsible Dept 国家标准委 Drafting Unit N/A