
PLASTICS - POLYAMIDE (PA) MOULDING AND EXTRUSION MATERIALS - PART 1: DESIGNATION SYSTEM AND BASIS FOR SPECIFICATION
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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PLASTICS - POLYAMIDE (PA) MOULDING AND EXTRUSION MATERIALS - PART 1: DESIGNATION SYSTEM AND BASIS FOR SPECIFICATION
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频