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Enhanced type condensing boiler
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Improved heating appliance for domestic installations
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Turbulator for an exhaust gas conveyance tube in a heat exchange apparatus
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Device for optimizing the transmission of heat in a pipe for conveying exhaust gases in a heat exchange apparatus
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Heat exchanger with die-cast elements and method for manufacturing the same
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Fire tube boiler
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Boiler with substantially vertical fire tubes, particularly for domestic heating
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Tube in fire tube boiler
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Heat exchanger with highly flexible use
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Heat exchanger with improved thermal efficiency
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Heat exchanger with improved exhaust gas discharge device
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Method for anodizing metallic alloys, particularly for heat exchangers made of aluminum alloys and the like for condensing boilers
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Tube for conveying exhaust gases in heat exchange devices, particularly boilers for generating hot water or steam
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Heat exchanger for a boiler
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Solid fuel boiler with natural draft
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Heat exchanger element obtained by casting, and method for preparing polystyrene patterns for casting
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Protected carbon steel pipe for conveying flue gases in a heat exchange apparatus
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Pipe in a fire tube boiler
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Heat exchange apparatus, particularly fire tube condensing boiler
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