Shigekatsu Naka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multistage hydraulic machine
- Patent number 4,692,090
- Issue date Sep 8, 1987
- Tokyo Shibaura Denki Kabushiki Kaisha
- Shigekatsu Naka
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...