China 'GB/T 18779.4-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18779.4-2020
Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 4: Background on functional limits and specification limits in decision rules 产品几何技术规范(GPS) 工件与测量设备的测量检验 第4部分:判定规则中功能限与规范限的基础
Issued Date:2020/12/14
Implemented Date:2021/7/1
Issued by:
The Standardization Administration of the People's Republic of China