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DISPOSABLE AND RADIOLUCENT REFERENCE ARRAY FOR OPTICAL TRACKING

  • US 20120143050A1
  • Filed: 08/27/2009
  • Published: 06/07/2012
  • Est. Priority Date: 08/27/2009
  • Status: Active Grant
First Claim
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1. A reference foil comprising an unsymmetric marker foil device.

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