Rolf Gunter Rosenhan

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Remscheid, DE

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Patents Grantslast 30 patents

Information Patent Grant
Screwdriver, screwdriver bit or the like
- Patent number 5,953,969
- Issue date Sep 21, 1999
- Wera Werk Hermann Werner GmbH & Co.
- Rolf Gunter Rosenhan
- C21 - METALLURGY OF IRON