| http://www.w3.org/ns/prov#value | - DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of the device of this invention; FIG. 2 is a top view of the device of this invention; FIG. 3 is a top view of the device of this invention taken on line 3-3 of FIG. 1; FIG. 4 is a partial sectional side view of the device of this invention; FIG. 5 is a schematic view of the device of this invention in use with an isolator and other devices; FIG. 6
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