
Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drainage systems inside buildings Part 10: Fire behaviour, quality control and installation
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drainage systems inside buildings Part 10: Fire behaviour, quality control and installation
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频