Yasuo Hishinuma

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Proportional electro-hydraulic pressure control valve
- Patent number 4,796,661
- Issue date Jan 10, 1989
- Yuken Kogyo Kabushiki Kaisha
- Yasuo Hishinuma
- G05 - CONTROLLING REGULATING