Semi-automatic Retractable Bollards |
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» Génération 6 » Ovalie » Spéciale |
Semi-automatic retractable bollards are set in motion with a key that unlocks the mechanism. A push on the bollard's head will make it sink into the ground; locking in the retracted position is automatic. A simple turn of the key will make the bollard rise back by itself and lock in the upward position. |
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