Katsuhiro YAMAZAKI

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Suwa-gun, JP

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Patents Applicationslast 30 patents

Information Patent Application
MUSIC BOX IMPROVING SOUND QUALITY
- Publication number 20150000498
- Publication date Jan 1, 2015
- BROTHER KOGYO KABUSHIKI KAISHA
- Akito UEKIHARA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS