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公开(公告)号：US3514691A
公开(公告)日：1970-05-26
申请号：US3514691D
申请日：1967-11-22
Applicant: DATASCAN INC
Inventor： LEVIN MORTON S , MALOY JAMES Q
CPC classification number: G05F1/563 , Y10T307/406
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