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Priority to ES0042756UpriorityCriticalpatent/ES42756Y/en
Publication of ES42756UpublicationCriticalpatent/ES42756U/en
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Publication of ES42756YpublicationCriticalpatent/ES42756Y/en
An improved ball-point pen, which is essentially characterized by a series of small moldings or longitudinal edges arranged parallel to each other in the area where the tip of the ballpoint pen begins to begin, some of which extend to the rear end of the ballpoint pen. that two of them, diametrically opposed, coincide with the interstitium of union of the mold, which remains in this concealed manner. (Machine-translation by Google Translate, not legally binding)