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公开(公告)号：JPS5854749B2
公开(公告)日：1983-12-06
申请号：JP2512978
申请日：1978-03-06
Applicant: MEIDENSHA KK
Inventor： SHIBUYA TADASHI , NIWA TOORU , UENO KATSU
IPC: H02M7/48
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