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Individual
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Individual
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Priority to ES1971173840UpriorityCriticalpatent/ES173840Y/en
Publication of ES173840UpublicationCriticalpatent/ES173840U/en
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Publication of ES173840YpublicationCriticalpatent/ES173840Y/en
Scratching instrument for line drawing, of the type described in utility model no. 167,900, characterized in that it comprises a rule or paralex provided, close to one of its longitudinal edges, with means for fixing a square or square, with one of the sides that define the right angle attached to the cited edge of the rule, while the other side that defines the right angle is perpendicular to the rule, to support a square or square, remaining square and bevelled by the piece of relationship that determines the magnitude of the possible slip between said square and square. (Machine-translation by Google Translate, not legally binding)
ES1971173840U1971-11-031971-11-03
SCORING INSTRUMENT FOR LINEAR DRAWING.
ExpiredES173840Y
(en)