Concrete pipes and ancillary concrete products. Specification for unreinforced and reinforced concrete pipes (including jacking pipes) and fittings with flexible joints(comnplementary to BSEN 1916:2002)— 26 стр.
Cylindrical helical springs made from round wire and bar. Guide to methods of specifying and tolerancing hot coiled springs, and cold coiled springs not covered by BS EN 15800, and general spring testing, Compression springs— 28 стр.
Concrete pipes and ancillary concrete products, Specification for unreinforced and reinforced concrete pipes (including jacking pipes) and fittings with flexible joints (complementary to BS EN 1916:2002)— 26 стр.
