| 摘要 |
A clamp for maintaining a stationary position on a pole includes clamp portions that area engageable with each other to surround the periphery of a pole. A positioning device disposed in one of the clamp portions and simultaneously compresses against periphery of the pole and tensions one of the engaged clamp portions against the periphery of the pole to maintain the clamp in the stationary position on the pole. A system for visual merchandising is also disclosed.
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