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发明名称
OPTICAL DEVICES
摘要
申请公布号
GB2221768(B)
申请公布日期
1992.09.09
申请号
GB19890013751
申请日期
1989.06.15
申请人
* GEC-MARCONI LIMITED
发明人
TERENCE PAUL * YOUNG
分类号
G02F1/015;G02F1/025;G02F1/313;G02F3/02
主分类号
G02F1/015
代理机构
代理人
主权项
地址
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