{
  "comments": {
    "new": "ISBN: 0-7630-0096-5"
  },
  "ring_codes": {
    "new": "PFW3144BE\t+ +\t63387-01 IFPI L027\nPFW3144BE\t+ +\t64104-03 IFPI L027 IFPI 1014",
    "old": "63387-01 PFW3144BE + + IFPI L027"
  },
  "serial": {
    "new": "PFW144AE-CD"
  }
}