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Device operating a fire for domestic use
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Solid fuel fireplace for the domestic use
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Method for determining a parameter of a heater, heating cost distributor for carrying out said method, and heater with such a distributor
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Ventilation heater for the interior of a building
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Production of cast pieces comprises casting a first casting core part in a first core casting partial mold covered by an intermediate plate, removing the intermediate plate, and replacing by the second core casting partial mold
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Electric storage heater has roof-shaped upper wall of hot air collection chamber with outlets in at least one sloping roof section and at least one valve flap in form of plate pivotable about ridge
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Ventilation heating system with fresh air and ventilation facility
