| http://www.w3.org/ns/prov#value | - 20120083787IMPLEMENT FOR ORIENTATING A TOOL, PARTICULARLY USEFUL IN SURGICAL TOOLS FOR HARVESTING AND IMPLANTING BONE PLUGS TO REPAIR DAMAGED BONE TISSUE - An implement for orientating a tool at a predetermined angle with respect to a plane of a target surface to be engaged by the tool, particularly for orientating a surgical cutting tool perpendicularly to bone tissue for harvesting and implantin
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