
Plastics - Polypropylene (pp) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications (iso/dis 19069-1:2013)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Plastics - Polypropylene (pp) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications (iso/dis 19069-1:2013)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频