Big footpath auto -feed boring unit head of high rigidity
The utility model provides a big footpath auto -feed boring unit head of high rigidity, includes the box, the box tip is equipped with the main shaft, be equipped with a tapered roller bearing, the 2nd tapered roller bearing, spacer between box and the main shaft, a tapered roller bearing and the 2n...
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| Format: | Patent |
| Sprache: | chi ; eng |
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