
Plastics - Polyamide (Pa) Moulding And Extrusion Materials - Part 1: Designation System, Marking Of Products And Basis For Specifications
出版:Association Francaise de Normalisation

专家解读视频
Plastics - Polyamide (Pa) Moulding And Extrusion Materials - Part 1: Designation System, Marking Of Products And Basis For Specifications
出版:Association Francaise de Normalisation
专家解读视频