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Sakae KIMURA
Electron Tube & Device Division, Toshiba Corporation
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Masaru NIKAIDO
Electron Tube & Device Division, Toshiba Corporation
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Katsuhisa HOMMA
Electron Tube & Device Division, Toshiba Corporation
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Katsumi YANAGIBASHI
Electron Tube & Device Division, Toshiba Corporation
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Yoshiaki OUCHI
Electron Tube & Device Division, Toshiba Corporation