| 摘要 |
The wrench consisting in that it has a form of an arch-shaped plate (1) with an oblong cut off (2) and a boss (3) fixing a body (4) of a broaching device, and to that plate, an extension arm for fixing the tip (8) of the device is attached with screws (5) and nuts, while the body (4) and the tip (8) of the device are attached to the wrench with screws (9) and nuts (10).<IMAGE>
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