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经营范围
发明名称
Nasal and aural speculum
摘要
申请公布号
US2012597(A)
申请公布日期
1935.08.27
申请号
US19340730770
申请日期
1934.06.15
申请人
CAMERON WILLIAM J
发明人
CAMERON WILLIAM J.
分类号
A61B1/227
主分类号
A61B1/227
代理机构
代理人
主权项
地址
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