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发明名称
Optical instrument
摘要
申请公布号
US2359702(A)
申请公布日期
1944.10.03
申请号
US19430493013
申请日期
1943.07.01
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
WITTIG CARL H. O.
分类号
G02B23/18
主分类号
G02B23/18
代理机构
代理人
主权项
地址
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