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经营范围
发明名称
Apparatus for orthoptic training purposes
摘要
申请公布号
GB459761(A)
申请公布日期
1937.01.14
申请号
GB19360011623
申请日期
1936.04.23
申请人
THE WOTTRING INSTRUMENT COMPANY
发明人
分类号
A61H5/00
主分类号
A61H5/00
代理机构
代理人
主权项
地址
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