Draft Document - Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 4: Production, operation, modification and supporting processes - Amendment 1 (ISO 25119-4:2018/Amd.1:2020); German and English version EN ISO 25119-4:2018/prA1:2021
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——修改件1(ISO 25119-4-2018/Amd.1-2020);德语和英语版本EN ISO 25119-4:2018/prA1:2021