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发明名称
ACQUIRING FOCUS IN AN OPTICAL SYSTEM USING A SOFT FOCUS ACQUIRING SYSTEM
摘要
申请公布号
US5128913(A)
申请公布日期
1992.07.07
申请号
US19900533305
申请日期
1990.06.04
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
FENNEMA, ALAN A.;ROBERTS, SPENCER D.
分类号
G02B7/28;G02B7/18;G11B7/085;G11B7/09
主分类号
G02B7/28
代理机构
代理人
主权项
地址
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