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公开(公告)号:US3068362A
公开(公告)日:1962-12-11
申请号:US11567661
申请日:1961-06-08
Applicant: IBM
Inventor: RUOCCHIO ALBERT C , SCHROEDER DAVID H
IPC: G02B27/28
CPC classification number: G02B27/28
公开(公告)号:US3068362A
公开(公告)日:1962-12-11
申请号:US11567661
申请日:1961-06-08
Applicant: IBM
Inventor: RUOCCHIO ALBERT C , SCHROEDER DAVID H
IPC: G02B27/28
CPC classification number: G02B27/28