DIN EN 16590-4-2014 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, 经营, 修改和支持过程 (ISO 25119-4-2010 修订版); 德文版本EN 16590-4-2014
Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 4: Production, operation, modification and supporting processes (ISO 25119-4:2010 modified); German version EN 16590-4:2014