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Service information advertisement system for first-class cabin, business cabin and VIP restroom of civil aviation

Service information advertisement system for first-class cabin, business cabin and VIP restroom of civil aviation

CN
  • CN 201,210,689 Y
  • Filed: 06/10/2008
  • Issued: 03/18/2009
  • Est. Priority Date: 06/10/2008
  • Status: Active Grant
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