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Individual
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Priority to ES0076773UpriorityCriticalpatent/ES76773Y/en
Publication of ES76773UpublicationCriticalpatent/ES76773U/en
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Publication of ES76773YpublicationCriticalpatent/ES76773Y/en
New rule for linear drawing, characterized by the fact that it has been planned to constitute an elongated piece of any material, equipped with two scales engraved on each side, one graduated in millimeters and one in inches, also characterized by the center of the rule, and together At one of the scales, several straight lines divide in a radial direction, whose separation corresponds in degrees in ascending scale from left to right. (Machine-translation by Google Translate, not legally binding)
ES0076773U1959-11-021959-11-02
Ruler for line drawing
ExpiredES76773Y
(en)
Pocket table, indicator of the equivalences between measures and currencies of different countries (Machine-translation by Google Translate, not legally binding)