Koji Naruse

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-resistant ball bearing
- Patent number 4,963,040
- Issue date Oct 16, 1990
- Koyo Seiko Co., Ltd.
- Hiroaki Takebayashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...