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Birger Wollboldt

IK Ina-Walzlager Schaeffler Kg: 1 patents #81 of 184Top 45%
Overall (All Time): #3,690,599 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5782216 Engageable tappet for a valve drive of an internal combustion engine Michael Haas, Gerhard Maas, Walter Speil 1998-07-21