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发明名称
COMPOSITE HOLOGRAPHIC ELEMENTS
摘要
申请公布号
EP0277981(B1)
申请公布日期
1991.10.23
申请号
EP19870905250
申请日期
1987.08.17
申请人
HEWITT, BRIAN
发明人
HEWITT, BRIAN
分类号
G02C7/00;G03H1/02
主分类号
G02C7/00
代理机构
代理人
主权项
地址
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