{
  "ring_codes": {
    "new": "60023 R1H\tMFD BY JVC 11\n60020 R2J\tMFD BY JVC 11",
    "old": "MFD BY JVC 11 H1R 32006"
  },
  "serial": {
    "new": "60020-C, 60023-N",
    "old": "60023-N"
  }
}