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摘要
申请公布号
US2986069(A)
申请公布日期
1961.05.30
申请号
US19560626344
申请日期
1956.12.05
申请人
AMERICAN OPTICAL COMPANY
发明人
HERRMANN JOHN F.;GILE RICHARD M.
分类号
G03B23/00
主分类号
G03B23/00
代理机构
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