Right-hand and left-hand thread U-type clamp opposite-pulling and opposite-jacking rod for culvert or small bridge abutment body construction
The utility model discloses a right-hand and left-hand thread U-type clamp opposite-pulling and opposite-jacking rod for culvert or small bridge abutment body construction. The rod comprises a steel tube and thread sleeves welded to the two ends of the steel tube. A U-shaped clamp is welded to one e...
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Format: | Patent |
Sprache: | eng |
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