
Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrstricted). Family A, type B..
NORMA vydána dne 4.12.2003
Designation standards: BS EN 13077:2003
Note: NEPLATNÁ
Publication date standards: 4.12.2003
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategorie: Technické normy BS