CP 112-3:1973

Заменен

Code of practice for the structural use of timber, Trussed rafters for roofs of dwellings

Заменен на

BS 5268-3:1985

ICS

91.080.20 Timber structures / Деревянные конструкции

91.060.20 Roofs. Including related elements (gutters, etc.) / Крыши