Pipe laying and paying-off device
The utility model relates to the technical field of pay-off construction, in particular to a buried pipe pay-off device which comprises a bottom plate, a movable rod, a two-way lead screw, a limiting block B and a support. A side plate A and a side plate B are arranged on the bottom plate, a clampin...
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Format: | Patent |
Sprache: | chi ; eng |
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