Yvon Duhamel

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Drummondville, CA

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Patents Applicationslast 30 patents

Information Patent Application
Acoustic Core Which Can Be Built Into A Structure
- Publication number 20150068836
- Publication date Mar 12, 2015
- GESTION SOPREMA CANADA INC.
- Yvon Duhamel
- G10 - MUSICAL INSTRUMENTS ACOUSTICS