Hiroyuki Omura

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cylinder liner and cylinder block and method for producing the cyli...
- Patent number 5,727,511
- Issue date Mar 17, 1998
- Ryobi Ltd.
- Hiroyuki Omura
- B22 - CASTING POWDER METALLURGY