Elhaus; Friedrich Wilhelm

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Chur, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for heat treatment of material to be worked on...
- Patent number 4,135,704
- Issue date Jan 23, 1979
- Prolizenz AG.
- Friedrich W. Elhaus
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for heat treatment of material to be worked on, especially o...
- Patent number 3,953,247
- Issue date Apr 27, 1976
- Prolizenz AG
- Friedrich Wilhelm Elhaus
- C21 - METALLURGY OF IRON