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COMMUNICATION SYSTEM HAVING MANAGEMENT APPARATUS AND USER APPARATUS, MANAGEMENT APPARATUS, USER APPARATUS, AND METHOD OF CONTROLLING THE SAME

  • US 20140215048A1
  • Filed: 04/02/2014
  • Published: 07/31/2014
  • Est. Priority Date: 08/11/2009
  • Status: Active Grant
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1-17. -17. (canceled)

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