Vasily S. Kolpakov

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Cherepovete, SU

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Patents Grantslast 30 patents

Information Patent Grant
Material for refining steel of multi-purpose application
- Patent number 5,037,609
- Issue date Aug 6, 1991
- Anatoly Y. Nakonechny
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...