Odd Kristen Ostern Pettersen

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Trondheim, NO

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Patents Applicationslast 30 patents

Information Patent Application
HEARING PROTECTION DEVICE WITH INTEGRATED AUDIOMETRIC TESTING
- Publication number 20120029383
- Publication date Feb 2, 2012
- Nacre AS, a Norwegian company
- Viggo Henriksen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE