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Priority to ES210310ApriorityCriticalpatent/ES210310A3/en
Publication of ES210310A3publicationCriticalpatent/ES210310A3/en
Improvements introduced in the construction of pens characterized by a threaded connection of two external bodies by means of a piece adjusted in turn in the upper part of one of them to which a fastener is also fixed. (Machine-translation by Google Translate, not legally binding)
ES210310A1953-07-111953-07-11Improvements in the construction of boligrafos (Machine-translation by Google Translate, not legally binding)
ExpiredES210310A3
(en)
A mechanical system of continuous movement with production of useful force obtained in liquid circuit, founded in the inclined plane and in the lathe (Machine-translation by Google Translate, not legally binding)