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发明名称
OPTICAL DEVICES
摘要
申请公布号
EP0338849(A3)
申请公布日期
1990.02.28
申请号
EP19890303985
申请日期
1989.04.21
申请人
GEC-MARCONI LIMITED
发明人
WOOD, ROGER MICHAEL
分类号
G02B1/10;G02B5/20;(IPC1-7):G02B1/10;G02B5/26
主分类号
G02B1/10
代理机构
代理人
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