László Bíró - Wikipedia
The Biro, the invention that changed the writing game
Who was Ladislao José Biro, how did he invent the ballpoint pen and how did it help in World War II?
The Biro, the invention that changed the writing game
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Ballpoint pen - Wikipedia
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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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