Home / Standards / GB/T 25721-2010 GB/T 25721-2010 Active Pneumatic forging hammer - Technical requirements 空气锤 技术条件 Standard Type GBT ICS 25.120.10 CCS J62 Status 现行 Issue Date 2010-12-23 Implementation 2011-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A