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| December 20, 1938 in History | ||||
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Event: Vladimir K Zworykin (Penn) receives patent on Iconoscope TV system |
Related Topics:
patent Penn receives System TV Vladimir Zworykin Related Year: 1938 Related Events: December 20
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More Notable Events on December 20:
1993 Donald Trump weds Marla Maples 1989 U.S. troops invade Panama and oust Manuel Noriega, but don't catch him 1984 33 unknown Bach keyboard works found in Yale library 1963 Berlin Wall opens for 1st time to West Berliners 1920 Bob Hope became an American citizen |
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