China 'GB/T 1800.1-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 1800.1-2020
Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 1: Basis of tolerances, deviations and fits 产品几何技术规范(GPS) 线性尺寸公差ISO代号体系 第1部分:公差、偏差和配合的基础
Issued Date:2020-04-28
Implemented Date:2020-11-01
Issued by:
The Standardization Administration of the People's Republic of China