Gunter Okon

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Kempen-Tonisberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process of concentrating a dilute sulfuric acid in a three-stage fo...
- Patent number 5,228,885
- Issue date Jul 20, 1993
- Metallgesellschaft Aktiengesellschaft
- Hartmut Wagner
- C01 - INORGANIC CHEMISTRY