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发明授权
US08162319B2 Method for advancing and retracting a target 有权
推进和缩回目标的方法

Method for advancing and retracting a target
摘要：
An omnidirectional target system includes a target movable between a retracted position and an extended position and an actuation mechanism for moving the target to the extended position, the target and the actuation mechanism being releaseable so that the target can be moved back into the retracted position despite movement of the actuation mechanism.
摘要（中）：

全方向目标系统包括可在缩回位置和延伸位置之间移动的目标以及用于将目标物移动到延伸位置的致动机构，目标和致动机构可释放，使得目标可以移回到缩回位置，尽管 致动机构的运动。

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