A dental dam clamp in each of two lateral wings has an aperture at least partially bounded by several arcuate walls to engage a handling tool in any of several different positions.
申请公布号
US4265623(A)
申请公布日期
1981.05.05
申请号
US19800120009
申请日期
1980.02.08
申请人
MARVIN M. STARK RESEARCH FOUNDATION
发明人
SOELBERG, KENNETH B.;STARK, MARVIN M.;THOMPSON, TOMMY H.;YAMAGUCHI, AKIA
