
Earth-moving machinery - Safety - Part 5: Requirements for hydraulic excavators (ISO 20474-5:2017, IDT)
出版:Standardiserings-Kommissionen I Sverige

专家解读视频
Earth-moving machinery - Safety - Part 5: Requirements for hydraulic excavators (ISO 20474-5:2017, IDT)
出版:Standardiserings-Kommissionen I Sverige
专家解读视频