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EP0230982A2
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Cylindrical heat exchanger manufactured from prefabricated components, in particular a chimney recuperator
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EP0145808A1
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Dust separator with a recuperator, particularly a cyclone
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EP0143111A1
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Self-checking window comparator circuit
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DD207247A5
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Flat flame gas burner
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HU186966B
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Pulse burner furnace securing scaleless and quick heating
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HU185709B
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Stoker excited by acoustic generator for aurning liquid fuels
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HU185484B
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Recuperative dust separator particularly cyclone
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HU186436B
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Gas burner of flat flame
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HU182269B
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Pot furnace with gas, oil or combined heating
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DE3003553A1
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Heat recovery from dust laden gas streams - having filter element in front of heat exchanger elements to prevent corrosion
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DE2946903A1
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DEVICE REDUCED NOISE LEVEL, ESPECIALLY FAN
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HU180966B
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Sampler for isocinetic determining concentration of dispersed particles in streaming gases of high temperature
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CS203950B2
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Radiating recuperator element
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HU175847B
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Circuit arrangement for controlling fuel equipments
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HU176896B
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Rotationless gas burner of adjustable flame length
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HU176169B
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Dish flame gas burner
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HU175428B
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Heat exchanger
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DE2735719A1
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Fireplace combustion air flow control - is actuated by fuel supply and uses bimetallic air temp. sensor
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HU174862B
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Gas oil or combined burner running in wide power range with stabilized flame intensity
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DE2607286A1
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Combined air flow regulator for fireplaces - has divided flow paths provided with bimetallic flow cross section regulator
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