DIN EN ISO 9080:2013-02
塑料管道和管道系统 通过外推法测定管状热塑性材料的长期静液压强度
Plastics piping and ducting systems - Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation (ISO 9080:2012); German and English version EN ISO 9080:2012