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经营范围
发明名称
Spray shield
摘要
申请公布号
US4850868(A)
申请公布日期
1989.07.25
申请号
US19870072471
申请日期
1987.07.13
申请人
DENTSPLY RESEARCH & DEVELOPMENT CORP.
发明人
WRIGHT, GERARD;WARRIN, GEORGE E.;PASCHKE, RICHARD H.
分类号
A61C1/08;A61C3/025;A61C17/02
主分类号
A61C1/08
代理机构
代理人
主权项
地址
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