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Individual
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Individual
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Priority to ES1971165024UpriorityCriticalpatent/ES165024Y/en
Publication of ES165024UpublicationCriticalpatent/ES165024U/en
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Publication of ES165024YpublicationCriticalpatent/ES165024Y/en
Improved drawing instrument, characterized essentially because in its lower or reverse part it is provided with an indeterminate number of lugs or projections, distributed in such a way as to prevent the piece from resting on its entire surface on the paper on which it is going to draw, the height of the projections the minimum that allows to obtain this end, to leave between both planes a distance such that without their obstacles for an easy and correct reading of the graduated scale prevents staining the paper, since the drawing piece remains in the air. (Machine-translation by Google Translate, not legally binding)
Procedure for carrying out the reading of a counting scale with various elements of counting. (Machine-translation by Google Translate, not legally binding)