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[国外标准] ASTM D 5071-99 Exposure of Photodegradable Plastics in a Xenon Arc Apparatus

P:2012-03-26 11:03:15

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ASTM D 5071-99 Exposure of Photodegradable Plastics in a Xenon Arc Apparatus.pdf

insert - 衬垫,衬套,垫圈;插入;镶嵌件;刀片(线材切割器的) (0) 投诉

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