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ELECTRIC BOILER FOR DOMESTIC PRESSURE WATER HEATER WITH WATER HEATING CONTAINER FOR THIN WALLS.
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WATER CONDUCTION. APPLIANCE FOR HOME USE A
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Domestic water heater.
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HEATING BOILER
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1988-05-28
STRUCTURE OF HEATING BOILER IN PARTICULAR FOR THE PRODUCTION OF HOT WATER.
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Domestic water boiler
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WATER HEATER.
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WATER HEATER PARTICULARLY FOR DOMESTIC USE.
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MICROWAVE WATER HEATER
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ELECTRIC WATER HEATER WITH DOUBLE TANK WITH REDUCED HEAT LOSS
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IMPROVED TANK FOR ELECTRIC WATER HEATERS.
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ELECTRIC WATER HEATER USING WATER AS A DIELECTRIC HEATING MEDIA.
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HEATING BOILER WITH SEPARATELY ACTING HEATER SURFACES
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Central heating water boiler
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ACCUMULATION GAS WATER HEATER.
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1984-07-05
GAS BOILER FOR HEATING USE WITH STORAGE TANK FOR THE PRODUCTION OF DOMESTIC WATER IN THE BOILER ITSELF.
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INSTANTANEOUS GAS WATER HEATER WITH MODULATED HOT WATER DISPENSING
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1985-10-08
Water boiler for central heating
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WATER HEATING BOILER
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1986-01-14
Water tube central heating boiler
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1986-05-21
Domestic water heating boilers
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1984-07-31
GAS WATER HEATER USABLE FOR HEATING SMALL ENVIRONMENTS
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1988-10-08
Boiler boiler heating water heater
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1981-06-11
OSIMILE INSTANT GAS WATER HEATER.