Toshio Tajima

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Shizuoka-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Keyboard musical instrument with movable key bed for performing mus...
- Patent number 5,545,839
- Issue date Aug 13, 1996
- Yamaha Corporation
- Kiyoshi Kawamura
- G10 - MUSICAL INSTRUMENTS ACOUSTICS