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公开(公告)号：US3317104A
公开(公告)日：1967-05-02
申请号：US45326965
申请日：1965-05-05
Applicant: GEN ELECTRIC
Inventor： HUGHES WILLIAM C , STEIN CHARLES R , KUNZ RAYMOND W
IPC: G11B15/61
CPC classification number: G11B15/61
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