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经营范围
发明名称
Anal retractor
摘要
申请公布号
US2070670(A)
申请公布日期
1937.02.16
申请号
US19350008255
申请日期
1935.02.26
申请人
MARSHALL GEORGE R
发明人
MARSHALL GEORGE R.
分类号
A61B17/02
主分类号
A61B17/02
代理机构
代理人
主权项
地址
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