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公开(公告)号：US3472205A
公开(公告)日：1969-10-14
申请号：US3472205D
申请日：1966-06-21
Applicant: TOKYO SHIBAURA ELECTRIC CO
Inventor： TSUCHIYA TAKESHI , TAKAHASHI TETSUO , YAMAMOTO KIYOSHI , YANAI AKITO , TAKIURA MIKIO , KANO TOSHIO
CPC classification number: H01J31/065
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