{
  "ring_codes": {
    "new": "BLJM-60389\t1 IFPI L279 01, 02, 08, 07\n453V, 453L, 453J, 453G, 453U",
    "old": "BLJM-60389\t1 IFPI L279 01, 02, 08, 07\n453V, 453L, 453J, 453G"
  },
  "serial": {
    "new": "BLAS 50399, BLAS 50547, BLJM 55049, BLJM 60389",
    "old": "BLAS 50399, BLJM 55049, BLJM 60389"
  }
}