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DK3281C
(en)
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Luff-shaped Propulsion Apparatus for Ships.
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DK2330C
(en)
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Propulsion device for Vessels.
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CH21759A
(en)
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Boat thruster
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DK3451C
(en)
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Hub for Ship Screws.
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DK3583C
(en)
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Steering device with impeller for ships.
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CA69438A
(en)
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Marine propulsion apparatus
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ES26126A1
(en)
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A signaling apparatus for ships.
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DK3306C
(en)
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Acetylene apparatus.
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GB190005577A
(en)
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Improvements in Apparatus for Propelling Vessels.
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ES27048A1
(en)
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A propulsion device for aviation.
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GB190000209A
(en)
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An Improved Steam-overheating Apparatus.
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ES26487A1
(en)
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A new ship hull.
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GB190019199A
(en)
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Improvements relating to Apparatus for Aerial Navigation.
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DK3260C
(en)
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Electromechanical Regulator for Ship Machines.
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CH22823A
(en)
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Underwater shape on hulls
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ES25598A1
(en)
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A helizoidal thruster.
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CH21699A
(en)
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typewriter
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ES26588A1
(en)
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Air ship improvements.
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DK3403C
(en)
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Typewriter.
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DK3009C
(en)
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Acetylene development apparatus.
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DK3027C
(en)
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Acetylene development apparatus.
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DK2928C
(en)
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Acetylene development apparatus.
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DK2747C
(en)
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Acetylene development apparatus.
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DK3456C
(en)
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Procedure for continuous tanning in drums.
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DK3751C
(en)
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Drive and Steering Device for Ships.
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