Pin (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pin" in English language version.

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books.google.com

espacenet.com

worldwide.espacenet.com

  • US patent 654319, Edwin Moore, "Push-pin", published Jul 24, 1900 

pt.vu

put-a-pin.pt.vu

  • Bridgman, Roger. 1000 Inventions & Discoveries. New York: Dorling Kindersley Publishing [1] Archived 2020-09-19 at the Wayback Machine, 2002, p.126

web.archive.org

wired.com