Akira Korosue

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Nishinomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stepless transmission device for a bicycle
- Patent number 4,299,581
- Issue date Nov 10, 1981
- Nankai Tekko Co., Ltd.
- Akira Korosue
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...