| 摘要 |
<p>The device has a support (10) fixed on an edifice part e.g. ceiling, and a poster-carrier (20) maintaining posters and detachably connected on the support by magnets (21). The magnets are placed on the poster-carrier. The support has a plate (12), and a guide (11) placed on the support such that the magnets are magnetized on the plate based on positions restricted by associated shapes of the guide, plate and magnets.</p> |
