BS EN ISO 21225-1. Plastics piping systems for the trenchless replacement of underground pipeline networks. Part 1. Replacement on the line by pipe bursting and pipe extraction— 26 стр.
Elastomeric seals. Materials requirements for pipe joint seals used in water and drainage applications. Cellular materials of vulcanized rubber— 24 стр.
Plastics piping systems for non-pressure underground drainage and sewerage. Polyethylene (PE). Specifications for pipes, fittings and the system— 38 стр.