DK13280C
(en)
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Propulsion device for Ships.
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DK12939C
(en)
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Vessel for Underwater Sailing.
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DK13539C
(en)
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Ship hull.
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DK13891C
(en)
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Towing device for Vessels.
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DK11923C
(en)
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Ship propeller device for submarines.
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DK17511C
(en)
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Propulsion device for boats.
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DK16977C
(en)
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Hull for submarines.
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DK18084C
(en)
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Hull for submarines.
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FR413534A
(en)
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Thruster
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FR427290A
(en)
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Thruster
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FR415640A
(en)
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Boat thrusters
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DK13792C
(en)
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Ship type.
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ES47131A1
(en)
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Improvements in the propulsion devices of the ships.
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ES53957A1
(en)
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An unsinkable boat system.
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FR420192A
(en)
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Propulsion device for ships
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DK12685C
(en)
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Lifebuoy for submarines.
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CH58818A
(en)
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Propulsion device for watercraft
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DK18706C
(en)
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Detour device, especially for ship propellers.
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DK22878C
(en)
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Speedometer for Ships.
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DK27601C
(en)
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Mounting device for ship's rudder.
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FR13502E
(en)
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Thruster
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FR413123A
(en)
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Thruster
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ES48623A3
(en)
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Shipbuilding improvements.
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FR411336A
(en)
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Thrusters
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FR420985A
(en)
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Submarine boat
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