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发明名称
Obstetrical forceps
摘要
申请公布号
US2757673(A)
申请公布日期
1956.08.07
申请号
US19540457149
申请日期
1954.09.20
申请人
SHUTE WALLACE B
发明人
SHUTE WALLACE B.
分类号
A61B17/44
主分类号
A61B17/44
代理机构
代理人
主权项
地址
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