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INFORMATION DELIVERY SERVICE SYSTEM, IN-TRAIN INFORMATION DELIVERY METHOD, AND IN-TRAIN INFORMATION DISPLAY APPARATUS

  • US 20110131522A1
  • Filed: 03/03/2009
  • Published: 06/02/2011
  • Est. Priority Date: 07/29/2008
  • Status: Active Grant
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1-8. -8. (canceled)

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