| 摘要 |
<p>The circuit board carries electric components, and a front plate is provided on the front side of the circuit board. The front plate (2) has a projection (3) with a hook (4) on its side facing the circuit board. The hook (4) springily grips a hole (6) in the circuit board. A stop (5) on the other side of the circuit board (1) provides a support for it. The front plate is made of moulded plastics or metal, and may have the projection (3) and the stop (5) formed as integral units.</p> |
