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                    Automatic lock release|Double piece column 
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                    True asymmetric column design|manual/solenoid release 
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                    5ton single side manual lock release|double piece column 
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                    Asymmetric column design|dual side manual lock release|double piece column. 
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                    4000kg Capacity | Automatic solenoid lock release | 24V automatic control 
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                    4000kg Capacity | Dual point manual lock release 
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                    4000kg Capacity | 30 degree asymmetric column design | Automatic solenoid lock release 
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                    4000kg Capacity | Automatic solenoid lock release | 24V automatic control 
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                    4000kg Capacity | Dual point manual lock release 
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                    4000kg Capacity | Single point manual lock release