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发明名称
Lens testing instrument
摘要
申请公布号
US2683392(A)
申请公布日期
1954.07.13
申请号
US19500201404
申请日期
1950.12.18
申请人
AMERICAN OPTICAL COMPANY
发明人
ELLIS CHARLES A.
分类号
G01M11/02
主分类号
G01M11/02
代理机构
代理人
主权项
地址
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