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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
62487
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2

jan 4, 1975 - Patented in 1975 by Xerox and co-invented by Metcalfe

Added to timeline:

24 Sep 2017
0
0
169
Computing

Date:

jan 4, 1975
Now
~ 43 years ago
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