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Parrado Otero aniceto
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Parrado Otero aniceto
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Priority to ES108792UpriorityCriticalpatent/ES108792Y/en
Publication of ES108792UpublicationCriticalpatent/ES108792U/en
Application grantedgrantedCritical
Publication of ES108792YpublicationCriticalpatent/ES108792Y/en
Retractable ball pen characterized in that the coupling of the upper end of the loading tube is provided with its corresponding spring of backward impulsion in the part formed by a cylindrical housing open longitudinally and joined to a rod that ends in a head of polygonal section and that protrudes through the upper end of the outer shell of the ballpoint pen having an opening of the same polygonal shape so that the possible movement is only longitudinal and never in the turn. (Machine-translation by Google Translate, not legally binding)
ES108792U1964-10-091964-10-09
A RETRACTABLE PEN.
ExpiredES108792Y
(en)