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发明名称
IMPROVEMENTS IN VIEWER ASSEMBLIES AND IN VIEWABLE MATERIAL ADAPTED THERETO
摘要
申请公布号
EP0588919(B1)
申请公布日期
2000.12.13
申请号
EP19920913027
申请日期
1992.06.15
申请人
WOOLF, JEFFREY MOSS
发明人
WOOLF, JEFFREY MOSS
分类号
G09B29/00;G02B25/00;G02B27/02;G02B27/04;G09B29/10;(IPC1-7):G09B29/10
主分类号
G09B29/00
代理机构
代理人
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