Helmer Fjellvag

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Kanagawa, JP

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Patents Applicationslast 30 patents

Information Patent Application
OXYGEN EXCESS TYPE METAL OXIDE, CERAMIC FOR OXYGEN STORAGE AND/OR A...
- Publication number 20090206297
- Publication date Aug 20, 2009
- Maarit Karppinen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL