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PL426126A1
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Gas burner set for heat exchanger
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PL425138A1
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Gas burner assembly for the heat exchanger
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PL421715A1
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Sleeve of a device housing, preferably of a heat exchanger and the housing with that sleeve
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PL420923A1
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Fired plate heat exchanger
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PL420693A1
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Pipe fitting for connection of a pipeline with another device, preferably the heat exchanger connector pipe
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PL428499A1
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Coil pipe for a heat exchanger, preferably for the water heater
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PL420467A1
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Water heater and the coil for a heat exchanger, preferably for this water heater
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PL419853A1
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Integrated water unit for a boiler and/or water heater
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PL419348A1
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Fired heat exchanger with thermoelectric generator
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PL419347A1
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Thin thermoelectric coating
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PL419349A1
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Burner with thermoelectric generator
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PL419097A1
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Furnace flue of the fired heat exchanger
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PL415426A1
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Fired heat exchanger
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PL414516A1
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Fired heat exchanger
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PL414191A1
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Fired water heater
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PL413919A1
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Furnace flue of the condensing heat exchanger
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PL413022A1
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Furnace flue of a condensing heat exchange coil
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PL413023A1
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Condensing heat exchanger
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PL413027A1
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Furnace flue of a condensing heat exchange coil
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PL413026A1
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Furnace flue of a condensing heat exchange coil
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