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Individual
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Individual
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Priority to ES0056560UpriorityCriticalpatent/ES56560Y/en
Publication of ES56560UpublicationCriticalpatent/ES56560U/en
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Publication of ES56560YpublicationCriticalpatent/ES56560Y/en
Preventing Corrosion Or Incrustation Of Metals
(AREA)
Length-Measuring Instruments Using Mechanical Means
(AREA)
Abstract
Graduated rule with scales of contraction characterized essentially by the fact that it is rigid and in one piece, presenting on its faces and along its edges a series of scales whose divisions are a percentage greater than those of a scale that is taken as a pattern. (Machine-translation by Google Translate, not legally binding)
ES0056560U1956-10-051956-10-05
Graduated ruler with contraction scales
ExpiredES56560Y
(en)