标准查询 标准查询未增塑聚氯乙烯纤维门窗的外形.耐人工气候老化性测定
Unplasticized polyvinylchloride (PVC-U) profiles for the fabrication of windows and doors - Determination of the resistance to artificial weathering.
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标准查询Unplasticized polyvinylchloride (PVC-U) profiles for the fabrication of windows and doors - Determination of the resistance to artificial weathering.
