Home / Standards / GB/T 23564.4-2009 GB/T 23564.4-2009 Active Ball-bearing guide steel-plate punch holders of stamping dies - Part 4: Four-pillar punch holders 冲模滚动导向钢板上模座 第4部分：四导柱上模座 Standard Type GBT ICS 25.120.30 CCS J46 Status 现行 Issue Date 2009-04-02 Implementation 2010-01-01 Responsible Dept 国家标准委 Drafting Unit N/A