Home / Standards / GB/T 8392-2007 GB/T 8392-2007 Active Uneven bars 高低杠 Standard Type GBT ICS 97.220.30 CCS Y55 Status 现行 Issue Date 2007-12-05 Implementation 2008-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A