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发明名称
Tangent cone contact lens
摘要
申请公布号
US2438743(A)
申请公布日期
1948.03.30
申请号
US19450635254
申请日期
1945.12.15
申请人
WILLIAM FEINBLOOM
发明人
FEINBLOOM WILLIAM
分类号
G02C7/04
主分类号
G02C7/04
代理机构
代理人
主权项
地址
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