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发明名称
An improved apparatus for investigating, correcting and developing the power of human vision
摘要
申请公布号
GB428436(A)
申请公布日期
1935.05.13
申请号
GB19350007094
申请日期
1934.05.10
申请人
ROBERT BROOKS SIMPKINS
发明人
分类号
A61B3/00;A61H5/00
主分类号
A61B3/00
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