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发明名称
Apparatus for testing and exercising the eyes
摘要
申请公布号
US2089863(A)
申请公布日期
1937.08.10
申请号
US19350016889
申请日期
1935.04.17
申请人
UPDEGRAVE WILLIAM M
发明人
UPDEGRAVE WILLIAM M.
分类号
A61B3/00;A61H5/00
主分类号
A61B3/00
代理机构
代理人
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