The QR patent core patent of the mobile phone is in fact owned by Japanese companies.



  1. The QR patent core patent of the mobile phone is in fact owned by Japanese companies.
  2. You found that no, the QR code has been gradually replaced by the NFC brush subway, is this technical decline? RFID World Network
  3. The QR code is paid for "Li Gui". The man changes the "code" in the early morning, the seller does not know at all.
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