Tracked Changes. Devices to prevent pollution by backflow of potable water. Air gap with non-circular overflow (unrestricted). Family A. Type B.
NORMA vydána dne 25.2.2020
Designation standards: BS EN 13077:2018-TC
Note: NEPLATNÁ
Publication date standards: 25.2.2020
The number of pages: 45
Approximate weight : 135 g (0.30 lbs)
Country: British technical standard
Kategorie: Technické normy BS