Novel hydraulic oil pipe winding and unwinding device
The utility model provides a novel hydraulic oil pipe take-up and pay-off device which comprises a base and a cylinder body, two racks are symmetrically and fixedly connected to the two ends of the top side of the base, servo motors are fixedly connected to the outer sides of the racks, fixing discs...
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Format: | Patent |
Sprache: | chi ; eng |
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