
Plastics - Polypropylene (Pp) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications (Iso 19069-1:2015)
出版:Swiss Standards

专家解读视频
Plastics - Polypropylene (Pp) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications (Iso 19069-1:2015)
出版:Swiss Standards
专家解读视频