| 摘要 |
An H-shaped frame is divided into a first and second guide channel by a partition plate and has a panel holder received in the second guide channel. The panel holder includes two clamping plates, each of which has a joining portion and a clamping portion that define cooperatively a space therebetween to receive an edge of a flat panel. A first engaging unit is formed on external surface of the clamping portion. The second guide channel has a second engaging unit which engages the first engaging unit when the panel holder is inserted slidably into the second guide channel.
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