
Personal flotation devices - Part 7: Materials and components - Safety requirements and test methods (ISO 12402-7:2020)
出版:Comite Europeen de Normalisation

专家解读视频
Personal flotation devices - Part 7: Materials and components - Safety requirements and test methods (ISO 12402-7:2020)
出版:Comite Europeen de Normalisation
专家解读视频