China 'GB/T 24734.6-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 24734.6-2009
Technical product documentation - Digital product definition data practices - Part 6: Feature specification for geometrical modeling 技术产品文件 数字化产品定义数据通则 第6部分:几何建模特征规范
Issued Date:2009-11-30
Implemented Date:2010-09-01
Issued by:
The Standardization Administration of the People's Republic of China