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PLASENCIA MARTIN CANDIDO
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PLASENCIA MARTIN CANDIDO
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Application filed by PLASENCIA MARTIN CANDIDOfiledCriticalPLASENCIA MARTIN CANDIDO
Priority to ES0022009UpriorityCriticalpatent/ES22009Y/en
Publication of ES22009UpublicationCriticalpatent/ES22009U/en
Application grantedgrantedCritical
Publication of ES22009YpublicationCriticalpatent/ES22009Y/en
A rule-porta-verum-scale, characterized in that a wooden ruler with a trapezoidal section that has a centesimal graduation on one of its sides, consists of four different pieces and two screws to imprison the graphic scale and keep it taut, One of the pieces being the wooden rule described above. (Machine-translation by Google Translate, not legally binding)