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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES119687UpriorityCriticalpatent/ES119687Y/en
Publication of ES119687UpublicationCriticalpatent/ES119687U/en
Application grantedgrantedCritical
Publication of ES119687YpublicationCriticalpatent/ES119687Y/en
Drawing sheet provided with a marginal graph that is essentially characterized by being a transparent or opaque sheet of paper or other suitable material of suitable dimensions and provided near its edge with a quadrangular frame formed by two parallel lines between which a scale metric with divisions in correspondence with fractions of an appropriate system of length occupying such scale the four sides to ninety degrees of each other of the mentioned frame and coinciding the position of the aforementioned divisions in each pair of opposite sides to the effects of being able to draw parallel lines so much horizontally as vertical with respect to the sheet itself and always parallel to the four sides of the repeated frame. (Machine-translation by Google Translate, not legally binding)
ES119687U1966-02-191966-02-19
SHEET FOR DRAWING PROVIDED WITH MARGINAL MILLIMETER.
ExpiredES119687Y
(en)