
Plastics - Polypropylene (Pp) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications (Iso 19069-1:2015)
出版:Asociacion Espanola de Normalizacion

專家解讀視頻
Plastics - Polypropylene (Pp) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications (Iso 19069-1:2015)
出版:Asociacion Espanola de Normalizacion
專家解讀視頻