Anti-slide pile positioning and paying-off tool
The utility model relates to the field of buildings, and discloses an anti-slide pile positioning pay-off tool which comprises a pay-off device, a take-up cavity is formed in the pay-off device, transverse plates are symmetrically and fixedly connected to the interior of the take-up cavity, rotating...
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Format: | Patent |
Sprache: | chi ; eng |
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