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发明名称
Surgical instrument
摘要
申请公布号
US2277139(A)
申请公布日期
1942.03.24
申请号
US19390309383
申请日期
1939.12.15
申请人
NIEMAND FREDERICK G
发明人
NIEMAND FREDERICK G.
分类号
A61B17/068
主分类号
A61B17/068
代理机构
代理人
主权项
地址
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