Igor N. Kurapin

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Novosibirsk, SU

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the complex continuous processing of polymetallic raw...
- Patent number 4,226,406
- Issue date Oct 7, 1980
- Jury F. Frolov
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and apparatus for complex continuous processing of polymetal...
- Patent number 4,141,721
- Issue date Feb 27, 1979
- Jury F. Frolov
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...