Grigory Markovich Voldman

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Moscow, SU

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Patents Grantslast 30 patents

Information Patent Grant
Process for separation of tungsten and molybdenum by extraction
- Patent number 3,969,478
- Issue date Jul 13, 1976
- Abram Naumovich Zelikman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...