| 摘要 |
<p>The invention relates to a device for suspending a ball, such as for instance a tennis ball. The invention also relates to a device for ejecting a ball, such as for instance a tennis ball, and to a combined device for suspending a ball and for ejecting a ball. Finally, the invention relates to a device for collecting balls, such as for instance tennis balls, which have been struck on a court.</p> |
