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发明名称
SELF-OPENING PREFORMED ACTIVATOR AND POSITIONER
摘要
申请公布号
EP0337201(B1)
申请公布日期
1992.08.26
申请号
EP19890105624
申请日期
1989.03.30
申请人
BERGERSEN, EARL O., DR.
发明人
BERGERSEN, EARL O., DR.
分类号
A61C7/08
主分类号
A61C7/08
代理机构
代理人
主权项
地址
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