| 摘要 |
In one aspect, a device for positioning a workpiece with respect to a reference point is provided, the device including a first portion fixed with respect to the reference point; a second portion mounted on the first portion for movement with respect thereto, the second portion having a workpiece contact surface selectively movable between a retracted position and an extended position engaging a workpiece at a predetermined distance from the reference point. A method of processing workpieces and a method of positioning workpieces are also provided.
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