Plastics piping systems for non-pressure drainage and sewerage. Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP), Fittings— 28 стр.
Plastics piping systems for drainage and sewerage with or without pressure. Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP). Specifications for pipes, fittings and joints— 74 стр.
