BIB-346

[
  {
    "346": {
      "ind1": " ",
      "ind2": " ",
      "subfields": [
        {
          "a": "VHS"
        },
        {
          "2": "rdavf"
        }
      ]
    }
  },
  {
    "346": {
      "ind1": " ",
      "ind2": " ",
      "subfields": [
        {
          "b": "PAL"
        },
        {
          "2": "rdabs"
        }
      ]
    }
  }
]

{
  "mainEntity": {
    "videoCharacteristic": [
      {
        "@type": "VideoFormat",
        "label": "VHS"
      },
      {
        "@type": "VideoCharacteristic",
        "source": {
          "@type": "Source",
          "code": "rdavf"
        }
      }
    ],
    "hasPart": [
      {
        "@type": "Instance",
        "videoCharacteristic": [
          {
            "@type": "BroadcastStandard",
            "label": "PAL"
          },
          {
            "@type": "VideoCharacteristic",
            "source": {
              "@type": "Source",
              "code": "rdabs"
            }
          }
        ]
      }
    ]
  }
}