
Plastics - Polypropylene (Pp) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications
出版:Association Francaise de Normalisation

专家解读视频
Plastics - Polypropylene (Pp) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications
出版:Association Francaise de Normalisation
专家解读视频