
Plastics - Determination of tensile properties - Part 1: General principles (ISO 527-1:2019)
出版:Comite Europeen de Normalisation

專家解讀視頻
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Plastics - Determination of tensile properties - Part 1: General principles (ISO 527-1:2019)
出版:Comite Europeen de Normalisation
專家解讀視頻