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经营范围
发明名称
OPTICAL SYSTEMS
摘要
申请公布号
GB8826541(D0)
申请公布日期
1989.04.19
申请号
GB19880026541
申请日期
1988.11.14
申请人
GEC-MARCONI LIMITED
发明人
分类号
G02B17/08;G02B26/08;(IPC1-7):G02B17/08
主分类号
G02B17/08
代理机构
代理人
主权项
地址
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