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公开(公告)号：FR2685094A1
公开(公告)日：1993-06-18
申请号：FR9115606
申请日：1991-12-13
Applicant: ESSILOR INT
Inventor： CHRISTOPHE BOCHU , LEANIRITH YEAN , CLAIRE LAGADEC , SYLVIE LAVAULT , GERARD VELLERET
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