BE883378A
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Electronic anti-aggression security system
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BE881714A
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Improvements in the manufacture of dynamic transducers
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ES486621A1
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Improvements in electronic circuits for surgery (Machine-translation by Google Translate, not legally binding)
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ES479982A1
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Cranial pressure detector device. (Machine-translation by Google Translate, not legally binding)
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ES478029A3
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Improvements in the manufacture of dynamic transducers. (Machine-translation by Google Translate, not legally binding)
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ES471165A1
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Improvements in the instruments for the transuretral resection (Machine-translation by Google Translate, not legally binding)
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ES388669A1
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Automatic tension stabilizer electronic circuit. (Machine-translation by Google Translate, not legally binding)
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ES385893A1
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Improvements in the automatic appliances for the change of electrical voltage. (Machine-translation by Google Translate, not legally binding)
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ES383310A1
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Improvements in automatic singing circuits in radio and television receivers. (Machine-translation by Google Translate, not legally binding)
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