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Graf, Günter
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Groß, Heinz
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Sponagel, Stefan
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1989 (2)
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Fachbereich Medizintechnik und Technomathematik
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Method for the manufacture of a sealing ring with a sealing lip having hydrodynamically acting return elements : United States Patent 4,850,097 ; date of patent: Jul. 25, 1989 / assignee: Firma Carl Freudenberg. Inventors: Gunter Graf ; Heinz Gross ; Stefan Sponagel
(1989)
Sponagel, Stefan
;
Graf, Günter
;
Groß, Heinz
Method for manufacturing a sealing ring : United States Patent 4,861,536 ; date of patent: Aug. 12, 1989 / assignee: Firma Carl Freudenberg. Inventors: Gunter Graf ; Heinz Gross ; Stefan Sponagel
(1989)
Sponagel, Stefan
;
Graf, Günter
;
Groß, Heinz
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