Precast unreinforced and reinforced concrete components for manholes over buried drains and sewers - Dimensions and technical delivery conditions— 16 стр.
Gully tops and manhole tops for vehicular and pedestrian areas - Design requirements, testing, marking, quality control; German version EN 124:1994— 20 стр.
Precast unreinforced and reinforced concrete components for manholes over buried drains and sewers; Dimensions and technical delivery conditions— 16 стр.
Precast unreinforced and reinforced concrete components for manholes over buried drains and sewers - Dimensions and technical delivery conditions— 16 стр.