China 'GB/T 38874.4-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 38874.4-2020
Tractors and machinery for agriculture and forestry—Safety-related parts of control systems—Part 4:Production,operation,modification and supporting processes 农林拖拉机和机械 控制系统安全相关部件 第4部分:生产、运行、修改与支持规程
Issued Date:2020-06-02
Implemented Date:2020-12-01
Issued by:
The Standardization Administration of the People's Republic of China