发明名称 ENGRAVED ORTHODONTIC BAND
摘要 An orthodontic band (10) has a laser engraved mark (14) with a white, frosty appearance. The mark is characterized by an absence of dark surface oxides, and is aesthetic and easy to read.
申请公布号 CA2107497(A1) 申请公布日期 1994.04.27
申请号 CA19932107497 申请日期 1993.10.01
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 HORNG, BRYAN L.;MARTIN, STEVEN A.
分类号 A61C7/00;A61B19/00;A61C7/18 主分类号 A61C7/00
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