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经营范围
发明名称
Flat field metallurgical microscope objective
摘要
申请公布号
US3399017(A)
申请公布日期
1968.08.27
申请号
US19650482444
申请日期
1965.08.25
申请人
BAUSCH & LOMB INCORPORATED
发明人
JUDD DUANE E.
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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