Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F24
HEATING; RANGES; VENTILATING
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F24D
DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
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3/00
Hot-water central heating systems
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F24D3/10
Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks; ; Hydraulic components of a central heating system
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F24D3/1016
Tanks having a bladder
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