| 摘要 |
<p>The case is supported on a wall or similar surface and may contain fluorescent lighting tubes (3). To the upper corner of the case is secured a hinged (6), one of whose flaps is concealed in a recess on the rear wall of the case. The upper flap of the hinge is concealed under the edge of a cover (4) which has a transparent front face. The cover pivots downwardly under its own weight to cover the open front and sides of the case. The cover rests on a sealing strip on the case when its closed position. The cover may be locked in its closed position by a key operated lock on the cooperating lower faces of the cover and case.</p> |
