
En Iso 13000-1 Plastics - Polytetrafluoroethylene (ptfe) Semi-finished Products - Part 1: Requirements And Designation
出版:British Standards Institution

专家解读视频
En Iso 13000-1 Plastics - Polytetrafluoroethylene (ptfe) Semi-finished Products - Part 1: Requirements And Designation
出版:British Standards Institution
专家解读视频