Jerzy Grzymek

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Warsaw, PL

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing high-purity alumina and hydraulic cement
- Patent number 4,226,632
- Issue date Oct 7, 1980
- Tatabanyai Szenbanyak
- Laszlo Kapolyi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for obtaining aluminum oxide
- Patent number 4,149,898
- Issue date Apr 17, 1979
- Akademia Gorniczo-Hutnicza Im. Stanislawa Staszica
- Jerzy Grzymek
- C21 - METALLURGY OF IRON