Tatsuya Yamamoto

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Okazaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vane pump with pressure leaking groove to reduce pulsations
- Patent number 5,046,933
- Issue date Sep 10, 1991
- Toyoda Koki Kabushiki Kaisha
- Kyosuke Haga
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...