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Priority to ES0231129ApriorityCriticalpatent/ES231129A1/en
Publication of ES231129A1publicationCriticalpatent/ES231129A1/en
Improvements in the manufacture of drill chucks, characterized in that they have a washer with its respective clamping screw in the upper part of the coupled central stem, to remove and correct the gaps that the mandrel may suffer due to wear and tear, as well as to correct the wear of the ball bearing seat. (Machine-translation by Google Translate, not legally binding)
ES0231129A1956-10-021956-10-02Improvements in the manufacture of portabrocas mandrines (Machine-translation by Google Translate, not legally binding)
ExpiredES231129A1
(en)
A process of manufacturing maleate of 3-p-chlorine-phenyl-3-piripil-l dimethylaminopropane. (Machine-translation by Google Translate, not legally binding)