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LASZLO BIRO-INVENTOR OF THE BALLPOINT PEN
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/GettyImages-707544829-58f197633df78cd3fccb4e22.jpg "How Laszlo Biro Changed the History of Ballpoint Pens")
How Laszlo Biro Changed the History of Ballpoint Pens
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Ballpoint pen - Simple English Wikipedia, the free encyclopedia
BALLPOINT PEN INVENTOR LASZLO BIRO | 1938
