Eino A. Rosenberg

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Honkalantie, FI

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Patents Grantslast 30 patents

Information Patent Grant
Procedure for roasting seleniferous material
- Patent number 4,473,396
- Issue date Sep 25, 1984
- Dutokumpu Oy
- Olli V. J. Hyvarinen
- C01 - INORGANIC CHEMISTRY