The history of the paper clip: It was invented in 1899. It hasn't been improved upon since.
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The Paper Clip | Scientific American
gather paper clip, matt black – Nordstjerne
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35mm Gem Clip
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Paper clip - Wikipedia
Paper Clips
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Office Depot Brand Paper Clips Pack Of 5 Jumbo Gold - Office Depot
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Paper clip - Wikipedia
Colour Gem Clips (Pack of 100)
Gem Clips - Xtra Large Size (78mm)
Paper Gem Clip, Size: 26 Mm And 35 Mm
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