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公开(公告)号：US5254002B1
公开(公告)日：2000-01-11
申请号：US68226191
申请日：1991-04-08
Applicant: ORMCO CORP
Inventor： REHER JAMES F , FARZIN-NIA FARROKH
CPC classification number: A61C7/141 , A61C7/14 , A61C7/146 , A61C2201/002
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