Peter
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Peter
Created page with "{{Patent |Office=US |Number=4163948A |Title=Filter for digital-to-analog converter |Company=Tektronix Inc |Inventors=Michael Rieger, Martin D. Singer |Filing date=1978-04-27 |Grant date=1979-08-07 |Cites= }} {{Documents|Link=Patent US 4163948A}}"
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