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Individual
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Individual
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Priority to ES0072809UpriorityCriticalpatent/ES72809Y/en
Publication of ES72809UpublicationCriticalpatent/ES72809U/en
Application grantedgrantedCritical
Publication of ES72809YpublicationCriticalpatent/ES72809Y/en
An improved classifying file, characterized by being organized on a general basis formed by a plate of edges deviated downward, between which a lower plate is adapted, whose base part has produced a plurality of parallel and equidistant grooves in the that "U" section keys whose wings are housed inside said grooves are adapted, said keys being retained on the base commented by means of a profile that has its ends fixed on the general base commented. (Machine-translation by Google Translate, not legally binding)
ES0072809U1959-04-071959-04-07
A perfected classifier file
ExpiredES72809Y
(en)