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Priority to ES0230439ApriorityCriticalpatent/ES230439A1/en
Publication of ES230439A1publicationCriticalpatent/ES230439A1/en
Improvements in the stapling machines, consisting of the provision in them of an additional base with a hole in the front part capable of allowing the passage of a wire thread, serving as a guide for its centering. (Machine-translation by Google Translate, not legally binding)
ES0230439A1956-08-171956-08-17Improvements in the grinding machines (Machine-translation by Google Translate, not legally binding)
ExpiredES230439A1
(en)