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经营范围
发明名称
Otoscope
摘要
申请公布号
US2361744(A)
申请公布日期
1944.10.31
申请号
US19420430418
申请日期
1942.02.11
申请人
AMERICAN OPTICAL COMPANY
发明人
CANNING WILLIAM P.
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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