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SE48254C1
(en:Method)
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GB293656A
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Improvements in or relating to propellers or screws
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Verfahren zur Herstellung gekuehlter Hohlschaufeln fuer Gasturbinen
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Design for a low wing |
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Improvements in air propellers
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Improvements in and relating to turbines
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Tabakpfeife mit verlaengertem Rauchkanal
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Improvements in and relating to sails
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Sprechmaschine in Verbindung mit einem Klavier
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Improvements in jet propulsion units
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Improvements in and relating to propelling screws
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Einrichtung zum Einstellen des Luftspaltes am Hilfspol von Kommutatormaschinen
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Oscillating vane propelling and steering device for boats
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Improvements in or relating to metal screw propellers
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Improvements in and relating to cutters for wood working machines
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Improvements in or connected with Propelling Mechanism for Mechanical Flying Machines.
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Improvements in balanced rudders
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