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发明名称
Optical instrument
摘要
申请公布号
US2399909(A)
申请公布日期
1946.05.07
申请号
US19430476182
申请日期
1943.02.17
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
BOUGHTON OLIN W.;JR. ROBERT B. HORSFALL,;PERKINS WILLARD T.
分类号
G02B7/18;G02B23/18
主分类号
G02B7/18
代理机构
代理人
主权项
地址
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