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Combined display of all available logs of TekWiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 08:20, 13 March 2022 Peter talk contribs created page Patent US 2280524A (Created page with "{{Patent |Office=US |Number=2280524A |Title=Electrical wave analysis |Company=General Electric |Inventors=Siegfried Hansen |Filing date=1940-11-01 |Grant date=1942-04-21 }} V...")