Ballpoint pen - Wikipedia
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The Biro, the invention that changed the writing game
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:max_bytes(150000):strip_icc()/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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Rollerball vs Gel (Plus Ballpoint!) Madness: Pen Types, Ink Types & Naming Gone Wild - National Pen
