DIN EN ISO 28139:2021
作物保护装备. 背包式内燃机驱动的鼓风喷雾器. 安全和环境要求及测试方法(ISO 28139-2019); German version EN ISO 28139-2021
Equipment for crop protection - Knapsack combustion engine-driven airblast sprayers - Safety and environmental requirements and test methods (ISO 28139:2019); German version EN ISO 28139:2021