
Plastics - Polypropylene (PP) moulding and extrusion materials Part 1: Designation system and basis for specifications (ISO 19069-1:2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频