| 摘要 |
The jaw consists of a body (11) with at least three plungers (12) sliding independently of each other and parallel in the direction of the axis (x-x') whose extension (e) in relation to the body is adjustable by the action of a screw (43) and adjusting nut (44). This allows adjustment, before clamping, of the pivoting end pads (13) of the plungers, these being detachable.
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