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公开(公告)号:DE1274703B
公开(公告)日:1968-08-08
申请号:DEJ0024382
申请日:1963-09-06
Applicant: IBM
Inventor: GARWIN RICHARD LAWRENCE , NOWICK ARTHUR STANLEY , SERAPHIM DONALD PHILIP
IPC: B21C37/04 , H01F6/06 , H01L39/24