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

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:Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频