Christoff Carlhoff

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Willich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Measurement of the wear of the fireproof lining of a metallurgical...
- Patent number 6,922,251
- Issue date Jul 26, 2005
- Specialty Minerals (Michigan) Inc.
- Stefan Kirchhoff
- C21 - METALLURGY OF IRON