Ryoji Sakurai

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Ohbu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Step-up or reduction gear series using internally meshing planetary...
- Patent number 5,352,163
- Issue date Oct 4, 1994
- Sumitomo Heavy Industries, Ltd.
- Kiyoji Minegishi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...