中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 31396.1-2015
Machine tools—Dimensions and geometric tests for self-centring chucks with two-piece jaws—Part 1: Manually 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1部分:键、槽配合型手动卡盘
Issued Date:2015-05-15
Implemented Date:2015-09-01
Issued by:
The Standardization Administration of the People's Republic of China