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经营范围
发明名称
OPTICAL DEVICES
摘要
申请公布号
EP0347232(A3)
申请公布日期
1991.05.22
申请号
EP19890306095
申请日期
1989.06.15
申请人
GEC-MARCONI LIMITED
发明人
YOUNG, TERENCE PAUL
分类号
G02F1/015;G02F1/025;G02F1/313;G02F3/02;(IPC1-7):G02F1/015
主分类号
G02F1/015
代理机构
代理人
主权项
地址
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