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Johan Vaaler, a Norwegian inventor... - A-Technical College | Facebook
Johan Vaaler – Store norske leksikon
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Teenvan.com - #InvensionFacts The paperclip was invented by Norwegian Johann Vaaler. #Teenvan #Navneet | Facebook
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Rev Arnt Johannes Vaaler (1884-1946) - Find a Grave Memorial
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Johan Vaaler - Wikipedia
Ideas Powered - Some inventions are simple but effective 📎 Back in 1901, patent clerk Johan Vaaler needed a way to hold his papers together. He decided to create a solution using