Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, Type B; German version EN 13077:2008— 17 стр.
Gas-fired overhead radiant strip heaters and multi-burner continuous radiant tube heater systems for non-domestic use - Safety and energy efficiency; German and English version prEN 17175:2017
Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, type B; German version EN 13077:2003— 16 стр.
Codes of practice for drinking water installations - Part 600: Drinking water installations in connection with fire fighting and fire protection installations; DVGW code of practice— 28 стр.
Water conduit for fire extinguishing - Planning, installation, operation and maintenance of fire hose systems and pillar fire hydrant and underground fire systems— 41 стр.
Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, type B; German version EN 13077:2003— 16 стр.
