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发明名称
Apparatus for use in treating visual defects
摘要
申请公布号
US2837087(A)
申请公布日期
1958.06.03
申请号
US19520289765
申请日期
1952.05.24
申请人
AMERICAN OPTICAL COMPANY
发明人
ALLEN PRISCILLA
分类号
A61F9/02;A61H5/00;G02C7/10
主分类号
A61F9/02
代理机构
代理人
主权项
地址
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