ISO 13272:2011 EN 27ca7408
Plastics piping systems for non-pressure underground drainage and sewerage — Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP), polypropylene with mineral modifiers (PP-MD) and polyethylene (PE) — Specifications for manholes and inspection chambers in traffic areas and underground installations
现行
发布日期 :
2011-10-06
实施日期 :
ISO/TR 12930:2014 EN 618a7a5a
Seismic design examples based on ISO 23469
现行
发布日期 :
2014-03-19
实施日期 :