Takafusa Negi

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Hamamatsu, JA

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Patents Grantslast 30 patents

Information Patent Grant
Ski-equipped crutch
- Patent number 3,948,535
- Issue date Apr 6, 1976
- Nippon Gakki Seizo Kabushiki Kaisha
- Takafusa Negi
- A63 - SPORTS GAMES AMUSEMENTS