File:K2-w vaccuum tube op-amp.jpg: Revision history

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11 March 2022

22 June 2009

9 June 2008

  • curprev 16:1016:10, 9 June 2008‎ imported>Karl Edler‎ 255 bytes +255‎ Description philbrickarchive.org Source self-made Date Author Bdieseldorff {{Image notes wikimedia |Description=Vacuum Tubes |Year created=Unknown |Real-named author=Bdieseldorff |Author link= |Wikimedia source page= |Notes= |Other versions=}}
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