ISO 10303-203:2011 工业自动化系统与集成.产品数据表示与交换.第203部分:应用协议:机械部件和组件的受控三维设计构造
Industrial automation systems and integration — Product data representation and exchange — Part 203: Application protocol: Configuration controlled 3D design of mechanical parts and assemblies (Second Edition; Includes Access to Additional Content)