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Individual
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Individual
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Priority to ES0033224UpriorityCriticalpatent/ES33224U/en
Publication of ES33224UpublicationCriticalpatent/ES33224U/en
Graduated rule for drawing, characterized in that the scales and other indications of interest are printed on a strip of paper or similar material (2) imprisoned between two elongated pieces of transparent material (1, 3), joined together so that leaving the view scales and other indications of the aforementioned strip of paper (2), protect it on all sides. (Machine-translation by Google Translate, not legally binding)
ES0033224U1952-10-201952-10-20Graduated rule for drawing (Machine-translation by Google Translate, not legally binding)
PendingES33224U
(en)