ONORM ENV 1453-2:2001被替代
Plastics Piping Systems With Structured Wall Pipes For Soil And Waste Discharge (Low And High Temperature) Inside Buildings - Unplasticized Poly(Vinyl Chloride) (Pvc-U) - Part 2: Guidance For The Assessment Of Conformity
出版：Osterreichisches Normungsinstitut
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