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Priority to ES97388UpriorityCriticalpatent/ES97388Y/en
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Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
An improved multi-color ballpoint pen, characterized essentially by comprising an outer cover formed in two tubular telescoping sections containing inside it two housings acting them in pressure movement, by effect of a spring provided in an intermediate position and for which automatism achieves the exit and concealment of the corresponding pens. (Machine-translation by Google Translate, not legally binding)
ES97388U1963-01-301963-01-30
A PERFECTED MULTICOLOR PEN PEN.
ExpiredES97388Y
(en)