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TUNON DUQUE JESUS MARIA
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TUNON DUQUE JESUS MARIA
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Perfeccionamientos en los sistemas de preparacion de moldes de fundicion, mejoras en los aparatos para soplar arena en moldes y metodo de soplar arena de fraguado rapido en moldes
Disposicion de molde de espumado para la fabricacion de bloques adaptadores para elementos de mando neumaticos y-o hidraulicos, y procedimiento correspondiente