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László Biró He was the inventor of the ballpoint pen, he was born in Budapest on September 29 th. - ppt download
Who Invented the Pen? A History of Writing - Quality Logo Products
PensXpress - And that is some Pen-story! 😀🖋️🖋️ --------...
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![Who Invented Pen ? [ Hindi ] - YouTube](https://i.ytimg.com/vi/BMmL1qiNRRM/mqdefault.jpg "Who Invented Pen ? [ Hindi ] - YouTube")
Who Invented Pen ? [ Hindi ] - YouTube
The Inventor Behind the Modern Ballpoint Pen - National Pen
