ISO 21138-3-2020
ISO 21138-3-2020 标准详情
- 标准号:ISO 21138-3-2020
- 中文标题:
- 英文标题:Plastics piping systems for non-pressure underground drainage and sewerage. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE). Pipes and fittings with non-smooth external surface, T
- 标准类别:国际标准化组织ISO
- 发布日期:20 January 2020
内容简介
This document, together with ISO 21138‑1, specifies the definitions and requirements for pipes with a non-smooth external surface and a smooth internal surface (Type B), fittings and systems based on unplasticized poly(vinyl chloride) (PVC-U),
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