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EP0304532A1
|
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A combustion plant including at least one tubular furnace
|
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SE8500216D0
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Procedure and device to reduce the escape of heat from a chimney
|
|
SE8105013L
|
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Cylindrical furnace
|
|
SE8105014L
|
|
Device at a fireplace with periodically working burning device
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FR2420719A1
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Combustion air supply for boiler - has casing contiguous with gas flow reversing chamber and bottom plate to guide air into burner
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US4157078A
|
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Vertical boiler
|
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US4192260A
|
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Air preheating means at a vertical steam or hot water boiler
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US4178880A
|
|
Furnace
|
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GB791843A
|
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Recuperative heat exchanger
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CA621980A
|
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Recuperative heat exchanger
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