China 'GB/T 31396.2-2015
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 31396.2-2015
Machine tools—Dimensions and geometric tests for self-centring chucks with two-piece jaws—Part 2: Power-operated chucks with tongue and groove type jaws 机床 分离爪自定心卡盘尺寸和几何精度检验 第2部分:键、槽配合型动力卡盘
Issued Date:2015-05-15
Implemented Date:2015-09-01
Issued by:
The Standardization Administration of the People's Republic of China