Precast unreinforced and reinforced concrete components for manholes over buried drains and sewers - Dimensions and technical delivery conditions— 16 стр.
Cold processable plastic jointing materials for sewerdrains - Jointing materials for prefabricated parts of concrete, requirements, testing and processing— 14 стр.
Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 6: Requirements for vitrified clay manholes; German version EN 295-6:1995— 8 стр.
Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 6: Requirements for vitrified clay manholes; German version EN 295-6:1995— 8 стр.