Martin Michels

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Kuhlenthal, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for graphitization of carbon materials
- Patent number 4,017,673
- Issue date Apr 12, 1977
- Sigri Elektrographit GmbH
- Martin Michels
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES