Haruo Ishikawa

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control system for hydroelectric power station system
- Patent number 4,109,160
- Issue date Aug 22, 1978
- Hitachi, Ltd.
- Masuo Goto
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...