China 'GB/T 16656.509-2010
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 16656.509-2010
Industial automation systems and integration - Product data representation and exchage - Part 509: Application interpreted construct: Manifold surface 工业自动化系统与集成 产品数据表达与交换 第509部分:应用解释构造:流形曲面
Issued Date:2011-01-14
Implemented Date:2011-05-01
Issued by:
The Standardization Administration of the People's Republic of China