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经营范围
发明名称
Ophthalmic lens
摘要
申请公布号
US2048304(A)
申请公布日期
1936.07.21
申请号
US19300501867
申请日期
1930.12.12
申请人
AMERICAN OPTICAL COMPANY
发明人
TILLYER EDGAR D.;HILL HARRY W.
分类号
G02C7/06
主分类号
G02C7/06
代理机构
代理人
主权项
地址
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