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Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Pens And Brushes
(AREA)
Abstract
Penna a sfera del tipo di forma non convenzionale, comprendente un mezzo scrivente, un meccanismo di azionamento di detto mezzo scrivente, contenuto in un involucro sostanzialmente a forma di fucile.