F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F24
HEATING; RANGES; VENTILATING
F24
HEATING; RANGES; VENTILATING
F24H
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
F24H
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
1/00
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
1/00
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
F24H1/18
Water-storage heaters
F24H1/18
Water-storage heaters
F24H1/181
Construction of the tank
F24H1/181
Construction of the tank