{TAIL ~ British patent specification No} 1303433 discloses one example of cable trunking comprising an elongate channel member having a pair of longitudinally extending radiused corners from which a pair of opposed flanges extend towards one another to define {HEAD ~ a gap} extending longitudinally of the channel member 
{ TAIL ~ British patent specification No } 1303433 discloses one example of cable trunking comprising an elongate channel member having a pair of longitudinally extending radiused corners from which a pair of opposed flanges extend towards one another to define { HEAD ~ a gap } extending longitudinally of the channel member
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