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发明名称
Dilator
摘要
申请公布号
US1879307(A)
申请公布日期
1932.09.27
申请号
US19300487042
申请日期
1930.10.07
申请人
KENNEDY JAMES W
发明人
KENNEDY JAMES W.
分类号
A61M29/00
主分类号
A61M29/00
代理机构
代理人
主权项
地址
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