ES334686A1
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Improvements in the electric appliances aspiradores impulsores. (Machine-translation by Google Translate, not legally binding)
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ES328212A2
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Improvements in the fans. (Machine-translation by Google Translate, not legally binding)
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ES328211A1
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Improvements introduced in the operation of fans. (Machine-translation by Google Translate, not legally binding)
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ES328176A1
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Improvements introduced in the operation of fans. (Machine-translation by Google Translate, not legally binding)
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ES296631A1
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Improvements introduced in the operation of fans (Machine-translation by Google Translate, not legally binding)
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ES296670A1
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Improvements introduced in the manufacture of fans (Machine-translation by Google Translate, not legally binding)
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ES296632A1
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Improvements in the oscillating ventilator assembly (Machine-translation by Google Translate, not legally binding)
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ES288000A3
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Mechanism of multiple electrical switching with thermostatic regulator (Machine-translation by Google Translate, not legally binding)
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ES283375A3
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Improvements in the construction of condensers for refrigerating circuits (Machine-translation by Google Translate, not legally binding)
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ES277336A1
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Improvements in the fans (Machine-translation by Google Translate, not legally binding)
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ES277170A2
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Improvements in electrical fans (Machine-translation by Google Translate, not legally binding)
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ES264899A1
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Improvements in electrical fans (Machine-translation by Google Translate, not legally binding)
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ES257694A3
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Improvements in fluid heaters and impellers (Machine-translation by Google Translate, not legally binding)
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ES254493A1
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Improvements in oscillatory electromagnetic motors (Machine-translation by Google Translate, not legally binding)
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ES249746A3
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New procedure to generate temperature differences (Machine-translation by Google Translate, not legally binding)
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