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发明名称
Speculum
摘要
申请公布号
US3030947(A)
申请公布日期
1962.04.24
申请号
US19600029317
申请日期
1960.05.16
申请人
ENGELBERT RICHARD M
发明人
ENGELBERT RICHARD M.
分类号
A61B1/32
主分类号
A61B1/32
代理机构
代理人
主权项
地址
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