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发明名称
PROJECTOR WITH A SPHERICAL SCREEN, IN PARTICULAR FOR ADVERTISING PURPOSES
摘要
申请公布号
EP0224394(B1)
申请公布日期
1990.03.14
申请号
EP19860402208
申请日期
1986.10.06
申请人
NICOLAS, PIERRE
发明人
NICOLAS, PIERRE
分类号
G03B21/56;G03B21/10;G09F19/18
主分类号
G03B21/56
代理机构
代理人
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地址
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