Naoaki Simogawara

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas insulated disconnecting switches
- Patent number 4,296,288
- Issue date Oct 20, 1981
- Tokyo Shibaura Denki Kabushiki Kaisha
- Satoru Yanabu
- H01 - BASIC ELECTRIC ELEMENTS