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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).
- 00:54, 14 February 2022 Peter talk contribs created page Patent US 4563652A (Created page with "{{Patent |Office=US |Number=4563652A |Title=Dual-stage filter with feedback |Company=Audio Precision |Inventors=Bruce Hofer |Filing date=1985-04-12 |Grant date=1986-01-07 }}")