Precast concrete pipes, fittings and ancillary products, Specification for unreinforced and reinforced manholes and soakaways of circular cross section— 56 стр.
Concrete pipes and ancillary concrete products, Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917:2002)— 30 стр.
Precast concrete pipes, fittings and ancillary products, Specification for unreinforced and reinforced manholes and soakaways of circular cross section
Concrete pipes and ancillary concrete products, Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917:2002)— 30 стр.
Precast concrete pipes, fittings and ancillary products, Specification for unreinforced and reinforced manholes and soakaways of circular cross section
