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Takashi Kuse
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Yokohama, JP
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Patent Grant
Indirectly-heated cathode device for electron tubes
Patent number
4,184,100
Issue date
Jan 15, 1980
Tokyo Shibaura Electric Co., Ltd.
Yukio Takanashi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...