Device for printing marks or signs of compliance in documents of any kind, characterized, by the arrangement of a series of independent electromagnetic coils, carriers, at the ends of the arms of levers fixed to their cores, of some marks or signals determined, susceptible to being actuated by remotor control by means aporpiados, and whose marks or signals are applied, in the element of the drive, on the document to be confronted, subject by a hatch of automatic blocking of said buttons in the position of rest of the same. (Machine-translation by Google Translate, not legally binding)
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