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DK7783C
(en)
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Device for steam boilers for achieving smoke combustion and fuel saving.
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DK6829C
(en)
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Device for smoke-burning fireplaces.
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DK6543C
(en)
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Chain grille device for mechanical firing.
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DK6542C
(en)
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Arrangement by Pipe Boilers.
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DK6782C
(en)
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Time fire pipe with Ignition spring.
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DK7138C
(en)
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Close Pipes for Firearms.
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DK6992C
(en)
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Device for gas burners.
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DK6322C
(en)
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Device by Boilers.
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DK10493C
(en)
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Device for steam boilers with internal firing.
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FR341367A
(en)
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Fireplace
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DK5997C
(en)
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Device for Superheaters for Boilers with Flue Pipes.
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FR349222A
(en)
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Smokeless mineral fuels
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DK3754C
(en)
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Device at Fireplaces for Combustion Plants.
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CA85573A
(en)
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Device for aiding combustion in boiler furnaces
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DK7027C
(en)
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Procedure and Apparatus for the Promotion of Combustion in Steam Fireplaces.
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GB190402610A
(en)
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Improvements in Furnaces and Flues of Steam Boilers.
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DK7888C
(en)
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Device by Stoves and Fireplaces with Magazine.
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FR4657E
(en)
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Fireplace
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FR340945A
(en)
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Fireplace
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DK7157C
(en)
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Device for steam and gas turbines.
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AT23577B
(en)
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Steam boiler.
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DK6950C
(en)
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Automatic Sealing Device for Steam Boiler Pipes.
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AT21081B
(en)
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Steam boiler walling.
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FR346839A
(en)
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Fire lighters
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DK16409C
(en)
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Mechanically moved Rager and Slag exhaust device for Steam boilers and other Fireplaces.
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