| 摘要 |
The invention relates to a utility for education, meetings, conferences and similar, consisting of a conference cabinet containing a screen extendible from a rolled up condition, with such device that the screen may be adjusted to be vertical or to take up different angles from the vertical plane, and with the possibility of heightening the position of the screen relative to the cabinet for the purpose of showing films, slides or overhead projected images, respectively. <IMAGE> |
