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Priority to ES1972179976UpriorityCriticalpatent/ES179976Y/en
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Publication of ES179976YpublicationCriticalpatent/ES179976Y/en
Table for drawing, which is characterized by comprising a board provided with a lower handle and two sets of pivoting levers in it in parallel, of which the upper pivot on the main axis of the set and are attached to it, while the lower are longer, they are provided with a counterweight at their free end and are pivotally joined to the main shaft by means of respective levers pivoting in turn in them. (Machine-translation by Google Translate, not legally binding)
ES1972179976U1972-04-291972-04-29
TABLE FOR DRAWING.
ExpiredES179976Y
(en)
Improvements in circular boards to make them transformable in boards of a major diameter (Machine-translation by Google Translate, not legally binding)