ONORM B 5156-2:2010被替代
Unplasticized Poly(Vinyl Chloride) (Pvc-U), Polypropylene (Pp) And Polyethylene (Pe) Inspection Chambers And Ancillary Fittings - Part 2: Complementary Provisions For Manholes And Inspection Chambers In Traffic Areas And Deep Underground Installations According To Onorm En 13598-2 (Proof Of Conformity)
出版：Osterreichisches Normungsinstitut
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