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

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