
Plastics - Polypropylene (pp) Moulding and Extrusion Materials Part 1: Designation System and Basis for Specifications (iso 19069-1:2015)
出版:National Standards Authority of Ireland

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Plastics - Polypropylene (pp) Moulding and Extrusion Materials Part 1: Designation System and Basis for Specifications (iso 19069-1:2015)
出版:National Standards Authority of Ireland
专家解读视频