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公开(公告)号：US3487248A
公开(公告)日：1969-12-30
申请号：US3487248D
申请日：1967-02-17
Applicant: VICTOR COMPANY OF JAPAN
Inventor： KANEKO KANSAKU , FUJIWARA TOSHIMASA , ASADA FUMIO
CPC classification number: H02K13/105
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