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AU4288085A
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Control systems for heating arrangements
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US4621497A
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Heat engine
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AU4287985A
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Control systems for heating arrangements
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AU4137485A
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Heating apparatus
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AU2219183A
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Balanced flue arrangement
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AU1623183A
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Heat exchanger
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AU8752682A
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Heater appliance
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NZ197713A
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Heating system:temperature difference burner control
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GB2080979A
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Control system for heating arrangement
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NZ195194A
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Elongate gas burner with diffuser and nozzle at an angle
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NZ195193A
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Wall mounted heating furnace with front and floor outlets
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Control system for heating
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AU5203079A
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Heating furnace
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AU5203179A
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Gas burner
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AU1649476A
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Flow regulating means
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