www bzfxw com BRITISH STANDARD BS EN 642 1995 Incorporating Corrigendum No 1 Prestressed concrete pressure pipes, cylinder and non cylinder, including joints, fittings and specific requirement for pre[.]
BRITISH STANDARD Prestressed concrete pressure pipes, cylinder and non-cylinder, including joints, fittings and specific requirement for prestressing steel for pipes The European Standard EN 642:1995 has the status of a British Standard ICS 23.040.50 12&23