Masatoshi Shinada

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-component steel piston ring with rotation preventing rivet
- Patent number 4,572,520
- Issue date Feb 25, 1986
- Nippon Piston Ring Co., Ltd.
- Masatoshi Shinada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...