{
  "ring_codes": {
    "new": "CN-R010-2 MT\tN52 IFPI LT46 IFPI 440D\nCN-R010-2 MT\tN53 IFPI LT46 IFPI 441C",
    "old": "CN-R010-2 MT\tN52 IFPI LT46 IFPI 440D"
  },
  "serial": {
    "old": "CN-R010-2"
  }
}