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The invention that conque the world - презентация онлайн
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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
History of Ballpoint Pens – Who Invented Ballpoint Pen?
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