Plastic piping systems for buried and above-ground drainage and sewerage under pressure. Unplasticized poly(vinyl chloride) (PVC-U). Specifications for piping components and the system— 26 стр.
Plastic piping systems for buried and above-ground drainage and sewerage under pressure. Unplasticized poly(vinyl chloride) (PVC-U). Guidance for the assessment of conformity— 24 стр.