| http://www.w3.org/ns/prov#value | - A clearer conception of the scope and purpose of the invention may be obtained from the following description, claims and attached drawings in which: Fig. 1 is a schematic representation of the originating office end of a cross-bar telephone system with which the present invention may be utilized by way of illustrating its arrangement and operation; Fig. 2 shows a partial arrangement of the two gr
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