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ES2371700A1
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Hydraulic generator.
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ES2310965A1
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WIND RADICAL OR HYDRAULIC TURBINE.
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ES2083898A2
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Procedure for hermetic closing of windows and sliding doors, and at the same time, practicable.
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ES8301517A1
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Procedure to use the energy of the sea waves (Machine-translation by Google Translate, not legally binding)
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ES243038A1
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Improvements in ceramic pieces for panel links (Machine-translation by Google Translate, not legally binding)
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ES235706A1
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System for the construction of mixed forged pottery and armed concrete (Machine-translation by Google Translate, not legally binding)
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