Home / Standards / GB/T 28783-2012 GB/T 28783-2012 Active Pneumatic fluid power - Standard reference atmosphere 气动 标准参考大气 Standard Type GBT ICS 23.100.01 CCS J20 Status 现行 Issue Date 2012-11-05 Implementation 2013-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A