A novel quickly-adjusting pipe tongs
The utility model relates to a novel quickly-adjusting pipe tongs- a common tool. The novel scheme can solve the problem that speed for adjusting jaw opening is too slow for the prior-art pipe tongs.The pipe tongs is mainly composed of a fixed jaw, a movable jaw, a racket wheel, a spring, a pawl, a...
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Format: | Patent |
Sprache: | chi ; eng |
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