| http://www.w3.org/ns/prov#value | - The presenting unit 1 for dental instrumentation shown in the drawings mainly comprises three parts: a preferably rectangular bottom wall 2 provided with two parallel lateral walls 3 on preferably its longitudinal edges, a tool-carrying tray 4 so dimensioned as to be capable of being disposed on the bottom wall 2 between the walls 3, and a cover 5.
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