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Sliding doors, for the entry/exit gate at a car park, ride on parallel guides with a common cable drive for movement selectively in both directions?keyword=Sliding doors, for the entry/exit gate at a car park, ride on parallel guides with a common cable drive for movement selectively in both directions?keyword=Sliding doors, for the entry/exit gate at a car park, ride on parallel guides with a common cable drive for movement selectively in both directions?keyword=Sliding doors, for the entry/exit gate at a car park, ride on parallel guides with a common cable drive for movement selectively in both directions 专利,更快更准确