EN 13403 2003 64 e stf BRITISH STANDARD BS EN 13403 2003 Ventilation for buildings — Non metallic ducts — Ductwork made from insulation ductboards The European Standard EN 13403 2003 has the status of[.]
BRITISH STANDARD Ventilation for buildings — Non-metallic ducts — Ductwork made from insulation ductboards The European Standard EN 13403:2003 has the status of a British Standard ICS 91.140.30 12&23