{
  "ring_codes": {
    "new": "307K1403\tRVL-R7FJ-0A-0 JPN\tS0 IFPI LL38 IFPI HH60 MADE IN JAPAN\nIFPI HH64",
    "old": "307K1403\tRVL-R7FJ-0A-0 JPN\tS0 IFPI LL38 IFPI HH60"
  },
  "serial": {
    "new": "RVL-RNOJ-JPN",
    "old": "RVL-P-R7FJ"
  }
}