China 'GB/T 17421.2-2016
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 17421.2-2016
Test code for machine tools—Partie 2: Determination of accuracy and repeatability positioning numerically controlled axes 机床检验通则 第2部分:数控轴线的定位精度和重复定位精度的确定
Issued Date:2016-04-25
Implemented Date:2016-11-01
Issued by:
The Standardization Administration of the People's Republic of China