| 摘要 |
The moving member 14 of the reduction motor 15 is connected, on the one hand, to a claw-holding arm 6-6a intended to hold the workpiece A on the trestle 2 and, on the other hand, to the pendular framework 18 which carries the rotating blade 24, things being arranged so that this blade only comes into contact with the workpiece A after the claw 6a has clamped the latter on the trestle. <IMAGE>
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