Plastics piping systems for industrial applications — Polybutene (PB), polyethylene (PE), polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X), polypropylene (PP) — Metric series for specifications for components and the system — Amendment 1
工业用塑料管道系统.聚丁烯(PB)、聚乙烯(PE)、耐高温聚乙烯(PE-RT)、交联聚乙烯(PE-X)、聚丙烯(PP).部件和系统规范的米制系列.修改件1