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经营范围
发明名称
Electrical apparatus for use in obstetrics
摘要
申请公布号
US2470970(A)
申请公布日期
1949.05.24
申请号
US19450610130
申请日期
1945.08.10
申请人
FREDERIC BENOIT
发明人
BENOIT FREDERIC
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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