Leybold Durfrrit GmbH

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the automatic monitoring of operating safe...
- Patent number 5,362,031
- Issue date Nov 8, 1994
- Leybold Durfrrit GmbH
- Paul Heilmann
- C21 - METALLURGY OF IRON