{
  "ring_codes": {
    "new": "308K0208\tRVL-RTOJ-0A-0 JPN\tS0 IFPI LL38 IFPI HHSE MADE IN JAPAN\nIFPI HHST MADE IN JAPAN",
    "old": "308K0208\tRVL-RTOJ-0A-0 JPN\tS0 IFPI LL38 IFPI HHSE"
  },
  "serial": {
    "new": "RVL-RTOJ-JPN",
    "old": "RVL-P-RTOJ"
  }
}