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发明名称
Microscope objective
摘要
申请公布号
US2520019(A)
申请公布日期
1950.08.22
申请号
US19470732911
申请日期
1947.03.06
申请人
AMERICAN OPTICAL COMPANY
发明人
SMALL JOHN H.
分类号
G02B21/02
主分类号
G02B21/02
代理机构
代理人
主权项
地址
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