Siegfried Dunse Person-Info 

( Ich bin Siegfried Dunse)

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... seal having a PTFE seal lip and a method and apparatus of manufacturing same U.S. patent: 6,079,715 Issued: June 27, Inventors: Rolf Johnen and Siegfried Dunse
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Vorname "Siegfried" (17509)
Name "Dunse" (70)
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