NF P16-353-3/IN1*NF EN 13476-3/IN1:2009

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) - Part 3 : specifications for pipes and fittings with smooth inside and profiled outside surface, Type B