Hideaki Wakayama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum circuit breaker
- Patent number 4,449,021
- Issue date May 15, 1984
- Tokyo Shibaura Denki Kabushiki Kaisha
- Hideaki Wakayama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER