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发明名称
OPTICAL DEVICES
摘要
申请公布号
GB8809504(D0)
申请公布日期
1988.05.25
申请号
GB19880009504
申请日期
1988.04.22
申请人
GEC-MARCONI LTD
发明人
分类号
G02B1/10;G02B5/20
主分类号
G02B1/10
代理机构
代理人
主权项
地址
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