Perimeter protection fence for use in e.g. military zone, has cable passage sleeve placed on two proximal ends of longitudinal tubes of adjacent grids, and having inner space allowing passage of cable in inner spaces of tubes

The fence has adjacent grids (1, 2) with longitudinal tubes (7, 8). A section of a continuous detector cable (11) is inserted in the tube (7) and another section of the cable is inserted in the tube (8). A cable passage sleeve (10) is placed on two proximal ends (71, 81) of the longitudinal tubes an...

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