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发明名称
HEART VALVE
摘要
申请公布号
EP0289404(B1)
申请公布日期
1992.08.19
申请号
EP19880400984
申请日期
1988.04.21
申请人
MEDTRONIC, INC.
发明人
JOHNSON, KEITH M.
分类号
A61F2/24
主分类号
A61F2/24
代理机构
代理人
主权项
地址
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