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公开(公告)号：US3131690A
公开(公告)日：1964-05-05
申请号：US23202462
申请日：1962-10-22
Applicant: AMERICAN OPTICAL CORP
Inventor： INNIS ROBERT E , JAFFEE STUART R
CPC classification number: A61B1/07 , A61B1/0669 , G02B6/06 , G02B23/26
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