
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)

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:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻