发明名称 Bowed slide handling apparatus
摘要 A device for transporting slides in a horizontal plane to be projected by a slide projector. More particularly, a retaining means adapted to tolerate bowed slides by having clearance grooves for receiving the bowed slides and for permitting same to set level thereupon.
申请公布号 US4174158(A) 申请公布日期 1979.11.13
申请号 US19780943038 申请日期 1978.09.18
申请人 BELL & HOWELL 发明人 BETLEJEWSKI, FRANK W;PETERSON, DONALD J
分类号 G03B23/04;G03B23/10;(IPC1-7):G03B23/04 主分类号 G03B23/04
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