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发明名称
Eye testing instrument
摘要
申请公布号
US2573546(A)
申请公布日期
1951.10.30
申请号
US19490120714
申请日期
1949.10.11
申请人
COSTENBADER FRANK D;HALL WARNER W
发明人
COSTENBADER FRANK D.;HALL WARNER W.
分类号
A61B3/032
主分类号
A61B3/032
代理机构
代理人
主权项
地址
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