发明名称 Arrangement for the projection of films or slides
摘要 <p>In an arrangement for the projection of films or slides, having a projector and a projection screen, a collapsible or telescopic linkage is provided, to which the screen and the projector can be attached. In this arrangement, the linkage has cross-pieces for suspending the projection screen, a bearing section for the projector, and supporting legs.</p>
申请公布号 DE3301782(A1) 申请公布日期 1984.07.26
申请号 DE19833301782 申请日期 1983.01.20
申请人 MEINUNGER,HELMUT 发明人 MEINUNGER,HELMUT
分类号 G03B21/58;G03B21/62;(IPC1-7):03B21/58 主分类号 G03B21/58
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