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
9/00
Details
9/00
Details
F24H9/12
Arrangements for connecting heaters to circulation pipes
F24H9/12
Arrangements for connecting heaters to circulation pipes
F24H9/13
for water heaters
F24H9/13
for water heaters
F24H9/133
Storage heaters
F24H9/133
Storage heaters