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发明名称
OPTICAL DEVICES
摘要
申请公布号
GB9301052(D0)
申请公布日期
1993.03.10
申请号
GB19930001052
申请日期
1993.01.20
申请人
GEC-MARCONI LIMITED
发明人
分类号
G02B6/26;G02B6/28;G02B6/30
主分类号
G02B6/26
代理机构
代理人
主权项
地址
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