Home / Standards / GB/T 12920-2008 GB/T 12920-2008 Active General specification for pneumatic system of ship 船用气动系统通用技术条件 Standard Type GBT ICS 47.020.20 CCS U57 Status 现行 Issue Date 2008-02-03 Implementation 2008-08-01 Responsible Dept 国家标准委 Drafting Unit N/A