Home / Standards / GB/T 23305.3-2009 GB/T 23305.3-2009 Active Shipbuilding - Topology of ship hull structure elements - Part 3: Relations of elements 造船 船体结构单元的拓扑 第3部分：单元间的关系 Standard Type GBT ICS 47.020.01 CCS U04 Status 现行 Issue Date 2009-03-09 Implementation 2009-11-01 Responsible Dept 国家标准委 Drafting Unit N/A