BS 4625:1970

Заменен

Specification for prestressed concrete pressure pipes (including fittings) — 18 стр.

Ссылочные документы

BS EN 642:1995

Действует

Prestressed concrete pressure pipes, cylinder and non-cylinder, including joints, fittings and specific requirement for prestressing steel for pipes — 28 стр.

BS EN 639:1995

Действует

Common requirements for concrete pressure pipes including joints and fittings — 24 стр.