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Friedrich Kramm

Heitersheim, DE: #3 of 6 inventorsTop 50%
Overall (2011): #303,172 of 364,097Top 85%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7951475 Vent valve for acid batteries Wolfgang Imhof, Christian Recker 2011-05-31

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