
Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their special characteristics (ISO 1043-1:2011)
出版:Standardiserings-Kommissionen I Sverige

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Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their special characteristics (ISO 1043-1:2011)
出版:Standardiserings-Kommissionen I Sverige
專家解讀視頻