发明名称 Dental model construction
摘要 In a dental model in which at least one tooth portion is separable it is disclosed to provide interlocking pin and socket means between the separable portion and the remainder of the model to insure proper alignment and to preclude accidental dislodgement.
申请公布号 US3896548(A) 申请公布日期 1975.07.29
申请号 US19740438998 申请日期 1974.02.04
申请人 ZAHN, ERIC H. 发明人 ZAHN, ERIC H.
分类号 A61C9/00;(IPC1-7):A61C13/00 主分类号 A61C9/00
代理机构 代理人
主权项
地址