The paper clip is believed to have been invented by Johan Vaaler in Norway in 1899.
Who Invented the Paperclip? - WorldAtlas
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History of everyday objects Vol 1 - Paper Clip — Steemit
Who Invented the Paper Clip
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Who Invented the Paperclip? - WorldAtlas - Clip Art Library
History of everyday objects Vol 1 - Paper Clip — Steemit
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Who Invented the Paperclip? - WorldAtlas
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