Nobuyuki Kazama

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a side rail of a combined oil ring
- Patent number 5,469,616
- Issue date Nov 28, 1995
- Teikoku Piston Ring Co., Ltd.
- Satomichi Miyazaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...