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发明名称
Method of and apparatus for objectively testing optical systems
摘要
申请公布号
US2818775(A)
申请公布日期
1958.01.07
申请号
US19540429030
申请日期
1954.05.11
申请人
JOS. SCHNEIDER & CO.
发明人
ULLRICH FRIEDRICH CHRISTIAN
分类号
G01M11/02
主分类号
G01M11/02
代理机构
代理人
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