Dmitry I. Ryzhonkov

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Moscow, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method for cleaning ferromagnetic chip from a lubricant-coolant and...
- Patent number 5,036,170
- Issue date Jul 30, 1991
- Boris G. Arabei
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for preparing ferrocarbon intermediate product for use in st...
- Patent number 4,913,734
- Issue date Apr 3, 1990
- Moskovsky Institut Stali i Splavov
- Vladimir A. Romenets
- C21 - METALLURGY OF IRON