NS 5251:1972 PDF

Published Date: 10/24/2000

Plastics pipes - Pipes and fittings with structured wall of polyethylene (PE) for underground non-pressure systems for drainage and sewerage

Published Date: 10/24/2000

Plastics pipes - Pipes and fittings with structured wall of polypropylene (PP) for underground non-pressure systems for drainage and sewerage

Published Date: 10/24/2000

Plastics pipes - Pipes and fittings with structured wall of unplasticised poly(vinyl chloride) (PVC-U) for underground non-pressure systems for drainage and sewerage

Published Date: 06/01/2001

Cable ducts of plastics with smooth solid wall pipe

Published Date: 09/06/2004

Solid Wall cable ducting of thermoplastics for embedding

Published Date: 07/01/2002

Ventilation for buildings - Design methodes for indoor climate