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发明名称
Three element objective lens
摘要
申请公布号
US2453260(A)
申请公布日期
1948.11.09
申请号
US19470737543
申请日期
1947.03.27
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
PESTRECOV KONSTANTIN
分类号
G02B13/00
主分类号
G02B13/00
代理机构
代理人
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地址
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