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1.发明公开
公开(公告)号：EP2450742A4
公开(公告)日：2013-04-24
申请号：EP10793514
申请日：2010-07-01
Applicant: YLX CHINA CORP
Inventor： LI YI
IPC: G02F1/13357 , G02B5/08 , G02B5/20 , G02B5/26
CPC classification number: G02B5/201 , G02F1/133603 , G02F1/133606 , G02F1/133611
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