Concrete pipes and ancillary concrete products, Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917:2002)— 40 стр.
Specification for linear measuring instruments for use on building and civil engineering constructional works. Steel measuring tapes, steel bands and retractable steel pocket rules— 16 стр.
Concrete pipes and ancillary concrete products, Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917:2002)— 30 стр.
Concrete pipes and ancillary concrete products, Specification for unreinforced and reinforced concrete manholes and soakaways (complementary to BS EN 1917:2002)— 30 стр.