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发明名称
DISPOSITIF DE RETROPROJECTION UTILISABLE AVEC UN PROJECTEUR DE DIAPOSITIVES
摘要
申请公布号
FR2535074(B1)
申请公布日期
1985.08.30
申请号
FR19820017685
申请日期
1982.10.22
申请人
PRESTINOX SA
发明人
分类号
G03B21/10;G03B21/30;(IPC1-7):G03B21/30
主分类号
G03B21/10
代理机构
代理人
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