Matthias OESTERELE

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Pfalzgrafenweiler, DE

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Patents Applicationslast 30 patents

Information Patent Application
ACTIVE SOUND GENERATION DEVICE
- Publication number 20150071452
- Publication date Mar 12, 2015
- Friedrich Boysen GmbH & Co. KG
- Dominik FENCHEL
- G10 - MUSICAL INSTRUMENTS ACOUSTICS