NF EN 13598-2:2006被替代
Plastics Piping Systems For Non-pressure Underground Drainage And Sewerage - Unplasticized Poly (vinyl Chloride) (pvc-u), Polypropylene (pp) And Polyethylene (pe) - Part 2: Specifications For Manholes And Inspection Chambers In Traffic Areas And Deep Underground Installations
出版：Association Francaise de Normalisation
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