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Priority to ES1968143741UpriorityCriticalpatent/ES143741Y/en
Publication of ES143741UpublicationCriticalpatent/ES143741U/en
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Publication of ES143741YpublicationCriticalpatent/ES143741Y/en
Improved drawing templates, characterized by that has been provided on the inside sides, so many bevels that allow the use of these sides for the execution of drawings, which until now could not be done with precision since these sides were not rectified, being also facilitated the drawing by having foreseen fine lines parallel to the sides of the triangle as well as an external beveling with a graduated scale of the nature that in each case requires, being able to conform in transparent molding materials for better economy and utility. (Machine-translation by Google Translate, not legally binding)