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ES320228A1
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Hermetic closing electromoter with protection device. (Machine-translation by Google Translate, not legally binding)
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ES280867A1
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A unidirectional clutch system (Machine-translation by Google Translate, not legally binding)
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ES264533A1
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Improvements in the construction of speed variator appliances (Machine-translation by Google Translate, not legally binding)
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ES263782A1
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A variable automatic coupling transformer (Machine-translation by Google Translate, not legally binding)
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ES252909A1
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A voltage regulator (Machine-translation by Google Translate, not legally binding)
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ES252318A1
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A new system of speed variator (Machine-translation by Google Translate, not legally binding)
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ES249904A1
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A current inverter, intercalable in an electrical circuit anywhere (Machine-translation by Google Translate, not legally binding)
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ES241042A1
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A liquid elevation system (Machine-translation by Google Translate, not legally binding)
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ES230614A1
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Automatic tension quick regulator (Machine-translation by Google Translate, not legally binding)
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ES211584A1
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A lifting element of liquids (Machine-translation by Google Translate, not legally binding)
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ES211585A1
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A voltage regulator (Machine-translation by Google Translate, not legally binding)
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ES211586A1
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Improvements in duck pumps (Machine-translation by Google Translate, not legally binding)
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