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公开(公告)号：US3386292A
公开(公告)日：1968-06-04
申请号：US39977764
申请日：1964-09-28
Applicant: IBM
Inventor： WATSON ROBERT A , MAHONEY ROBERT E , NIELSEN THOMAS C , KIERNAN JAMES J
IPC: G01P15/097 , G01P15/10
CPC classification number: G01P15/097
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