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发明名称
Optical system
摘要
申请公布号
US4950056(A)
申请公布日期
1990.08.21
申请号
US19890299115
申请日期
1989.01.19
申请人
GEC-MARCONI LIMITED
发明人
SMITH, BRIAN F.
分类号
G02B17/08;G02B26/08
主分类号
G02B17/08
代理机构
代理人
主权项
地址
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