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Individual
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Individual
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Priority to ES0239929ApriorityCriticalpatent/ES239929A1/en
Publication of ES239929A1publicationCriticalpatent/ES239929A1/en
Improvements in the technºgrafos, characterized in that the translations of the system of coordinate rules, are made on tubular guides of which, one of them, is fixed to a piece mounted on the board, by means of clamping screws, being susceptible to slip along it a head equipped, for this, with three wheels in the shape of a diavolo, of which two are fixed and the other is mounted on a swinging bracket that imparts adjustment tolerance in combination with a spring, being fixed in this head the other tubular guide. (Machine-translation by Google Translate, not legally binding)
ES0239929A1958-02-041958-02-04Improvements in technologies (Machine-translation by Google Translate, not legally binding)
ExpiredES239929A1
(en)