| 摘要 |
A device (10) for locating a protective cover (50) on an optical disc (100), the device comprising a flat surface having protecting upwardly therefrom a shouldered boss (12) comprising positioning spigot (13) and a smaller location spigot (14), whereby a protective cover having a centre hole is positioned and located over the positioning spigot (13) and an optical disc (100) is positioned on the protective cover (50) with the location spigot (14) axially locating the disc over and co-axially with the cover whereby downward pressure on the disc towards the surface causes the disc to press against the cover for the cover to be accurately secured onto the disc.
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