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Priority to ES1973193432UpriorityCriticalpatent/ES193432Y/en
Publication of ES193432UpublicationCriticalpatent/ES193432U/en
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Publication of ES193432YpublicationCriticalpatent/ES193432Y/en
Governing device for quadrifony, essentially characterized in that it is constituted by two rigid laminar bridges, each of which is inscribed in a semicircle, said bridges being longitudinally grooved and arranged concentrically, tangent surface and diametrically placed in cross, coupling each one of its ends to the axis of a conventional potentiometer, whose potentiometers are aligned in cross, rigidly supported, having provided a tilting rod by means of a ball joint provided at a mid point, whose rod at one end passes through the grooves of the two bridges in its area intersection, while at the opposite end emerges to the outside of the plate on which tilts topped on a knob. (Machine-translation by Google Translate, not legally binding)
ES1973193432U1973-07-161973-07-16
GOVERNMENT DEVICE FOR QUATRIFONIA.
ExpiredES193432Y
(en)