发明名称 DENTAL TOOL
摘要 A dental root canal file (1) has a drilling end (5) and a shank (7) formed of a hollow, substantially closed, helix (16), and openings (14) are defined between the adjacent windings (8a, 8b, 8c) by spacers (13).
申请公布号 WO0025698(A1) 申请公布日期 2000.05.11
申请号 WO1999EP08117 申请日期 1999.10.27
申请人 FILHOL, STUART, JULIAN 发明人 FILHOL, STUART, JULIAN
分类号 A61C5/02 主分类号 A61C5/02
代理机构 代理人
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