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Ladislo Biro
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Ballpoint pens
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László Bíró - Wikipedia
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Google: <p>Google dedicates doodle to ballpoint pen founder Ladislo Biro</p>
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Ballpoint pens
Ånbêssë Dåwït AD² - ይህን ሰው ተዋወቁት Ladislo Biro ይባላል፡ሃንጋሪያዊ ነው፡፡ ዛሬ እንደልብ የምንጠቀምበትን እስክርቢቶ በ1938 እ.ኤ.አ የሰራልን ሰው ነው፡፡ Endrias | Facebook
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Ballpoint pens
File:Ladislao Biro Argentina Circa 1978.JPG - Wikimedia Commons
Ballpoint pens
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