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经营范围
发明名称
Ophthalmic lens
摘要
申请公布号
US2015241(A)
申请公布日期
1935.09.24
申请号
US19350020007
申请日期
1935.05.06
申请人
OPTICAL RESEARCH CORPORATION
发明人
SINGER NATHANIEL
分类号
G02C7/10
主分类号
G02C7/10
代理机构
代理人
主权项
地址
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