Kiyoshi Yamaguchi

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Atami-shi, Shizuoka-ken, JP

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Patents Grantslast 30 patents

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Traveling driving device for a bicycle
- Patent number 5,515,746
- Issue date May 14, 1996
- Kiyoshi Yamaguchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...