China 'GB/T 20957.2-2007
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20957.2-2007
Test conditions for machining centres - Part 2: Geometric tests for machines with vertical spindle or universal heads with vertical primary rotary axis (vertical Z-axis) 精密加工中心检验条件 第2部分：立式或带垂直主回转轴的万能主轴头机床 几何精度检验(垂直Z轴)
Issued Date:2007-06-25
Implemented Date:2007-11-01
Issued by:
The Standardization Administration of the People's Republic of China
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