DK20757C
(en)
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Apparatus for Blowing Out the Boiler's Flue Pipe.
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DK22205C
(en)
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Apparatus for Blowing Soot from Boiler Pipes.
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DK15719C
(en)
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Boiler Pipe Blower.
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DK17002C
(en)
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Apparatus for Cleaning the Chimneys.
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DK11097C
(en)
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Apparatus for blowing out the pipes in steam boilers.
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DK15751C
(en)
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Apparatus for Cleaning the Chimneys.
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DK22507C
(en)
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Apparatus for cleaning boiler pipes.
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DK19589C
(en)
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Apparatus for Increasing the Efficiency of Water Dischargers.
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DK28038C
(en)
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Device for blowing out the flue pipes on locomotive and similar steam boilers.
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DK18304C
(en)
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Apparatus for Heating Water.
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DK26451C
(en)
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Apparatus for Blowing Soot in Boiler Pipes.
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DK19172C
(en)
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Flue pipe authorities.
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DK13127C
(en)
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Device for Introducing Excess Air into the Boiler Room.
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DK20165C
(en)
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Apparatus for humidifying air.
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DK22792C
(en)
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Apparatus for regulating the oven draft.
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DK27917C
(en)
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Device for flue pipes.
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DK18797C
(en)
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Apparatus for Steaming Groats.
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ES60597A1
(en)
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An auto-motor "DomÃnguez System".
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DK21077C
(en)
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Apparatus for the operation of incinerators.
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DK15235C
(en)
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Device for feeding locomotive boilers and the like with hot water.
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DK15371C
(en)
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Device for feeding locomotive boilers and the like with hot water.
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ES60210A1
(en)
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A new ad system entitled "Announcer Enigma".
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DK20155C
(en)
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Device by steam boilers with flues.
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DK26301C
(en)
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Water pipe boiler.
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DK27521C
(en)
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Apparatus for the Study of Gases.
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