Audiovisual Systems - Slide Trays for Projectors - Circular Slide Tray (revision and redesignation of ANSI IT7.211-1990)
视听系统.投影仪用滑梯托盘.圆形滑梯托盘(ANSI IT7.211-1990的修订和重新命名)
发布日期:
1998-04-28
描述了标称尺寸为5 cm X 5 cm厚或薄的投影仪幻灯片的水平重力进给圆形幻灯片托盘的基本尺寸。
Describes the essential dimensions of a horizontal gravity-feed, circular slide tray for nominal size 5 cm X 5 cm thick or thin projector slides.