History of the Ballpoint Pen - YouTube
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Ballpoint pen - Wikipedia
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Bic Pen: a cheap design that changed the history - DesignWanted : DesignWanted
Ballpoint Pen History: Why the Invention Was Such a Big Deal | Time
HISTORY: The modern ball point pen was invented in 1938 by the Argentine-Hungarian journalist In the 1930s Bíró was working as the editor of a small newspaper. - ppt download
Meisterstück Rose Gold-Coated Ballpoint Pen - Luxury Ballpoint pens – Montblanc® CO
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The Story of László Bíró, the Man Who Invented the Ballpoint Pen | Smart News| Smithsonian Magazine
1940- Ballpoint Pen The ballpoint pen was invented... | Sutori
