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公开(公告)号:US3273896A
公开(公告)日:1966-09-20
申请号:US27939763
申请日:1963-05-10
Applicant: LEESONA CORP
Inventor: MAEDER PAUL F
IPC: G11B23/06
CPC classification number: G11B23/06
公开(公告)号:US3273896A
公开(公告)日:1966-09-20
申请号:US27939763
申请日:1963-05-10
Applicant: LEESONA CORP
Inventor: MAEDER PAUL F
IPC: G11B23/06
CPC classification number: G11B23/06