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AU3836189A
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An arrangement for supplying pre-heated combustion air to a combustion chamber
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AU3836289A
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Solid fuel combustion apparatus comprising an air-cooled grate
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SE8802223D0
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DEVICE FOR COMBUSTION OF FIXED FUEL, PROVIDED WITH INSTALLATION ORGANIZED IN THE BRAENN CHAMBER FOR CONTROL OF SUPPLY OF COMBUSTION AIR
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SE8401879D0
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Heat exchanger for domestic hot water supply
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CA1216480A
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Arrangement in combustion chambers for burning solid fuel
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US4407357A
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Thin sheet metal heat exchanger
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DE2814530A1
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Domestic water heater with house heating system - heats and cools water returning to central heating system
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