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经营范围
发明名称
Obstetrical instrument
摘要
申请公布号
US2592959(A)
申请公布日期
1952.04.15
申请号
US19500198840
申请日期
1950.12.02
申请人
SCHOFIELD ALAN L
发明人
SCHOFIELD ALAN L.
分类号
A61B17/42
主分类号
A61B17/42
代理机构
代理人
主权项
地址
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