EN ISO 15494-2003 工业用塑料管道系统.聚丁烯(PB), 聚乙烯(PE)和聚丙烯(PP).元件和系统的规范.米制系列 ISO 15494-2003
Plastics piping systems for industrial applications Polybutene (PB), polyethylene (PE) and polypropylene (PP) Specifications for components and the system Metric series ISO 15494: 2003