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Priority to ES1980255107UpriorityCriticalpatent/ES255107Y/en
Publication of ES255107UpublicationCriticalpatent/ES255107U/en
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Publication of ES255107YpublicationCriticalpatent/ES255107Y/en
Improved drawing tesa, characterized in that it consists of rigid support legs on which are mounted two sets of support plates joined by a transverse shaft provided with crank, being linked with the possibility of such games the ends of a rigid frame a pair of bent cranks joined by articulation to, their respective arms that together constitute two means of lifting and folding the board. (Machine-translation by Google Translate, not legally binding)