Draft Document - Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 4: Production, operation, modification and supporting processes (ISO 25119-4:2018); German and English version prEN ISO 25119-4:2021
文件草案——农业和林业用拖拉机和机械——控制系统的安全相关部件——第4部分:生产、操作、修改和支持过程(ISO 25119-4-2018);德文和英文版本prEN ISO 25119-4:2021