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US2020354033A1
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Accelerating ducted propeller system for propelling boats
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WO2018211155A2
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Accelerating ducted propeller system for propelling boats
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WO2013178853A2
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Symmetrical fixed accelerating nozzle for aquatic vessels in the free navigation state
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ES2385994A1
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Fixed symmetric accelerator nozzle for watercraft in free navigation condition
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ES2317799A1
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PROPULSION SYSTEM WITH HELICE AND FIXED TOWER REGARDING HELICE.
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ES2249072A1
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HELICE WITH INCLINED BLADES.
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ES2134734A1
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Detachable patch pocket in fabric clothing.
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ES2102325A1
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Three-dimensional horizontal target for retaining smooth surface balls after a free air travel.
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ES2099675A1
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High specific weight ball.
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ES2038935A6
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Low-pressure domestic container for preserving foods without a refrigerator
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ES2019745A6
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A composite pole for beating the branches of olive trees, with beater elements parallel to the central tube
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ES2013578A6
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Composite pole for beating olive-tree branches
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ES2002670A6
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Discs system sustainer and tractor for aircraft (Machine-translation by Google Translate, not legally binding)
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ES8407359A1
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Machine to carry out the collection of oranges from the soil
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ES483451A1
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Rotary piston engine (Machine-translation by Google Translate, not legally binding)
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ES474190A1
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Improvements for reaction engines.
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ES473801A1
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Rotary piston engine. (Machine-translation by Google Translate, not legally binding)
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ES444336A1
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Machine to make the fall of olives. (Machine-translation by Google Translate, not legally binding)
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