Thermoplastics piping systems for non-pressure applications - Unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings - Determination of the viscosity number and K-value (ISO 13229:2010)
非压力应用热塑性塑料管道系统.未增塑聚氯乙烯(PVC-U)管道和配件.粘度值和K值的测定(ISO 13229-2010);德文版EN ISO 13229:2011