{
  "code": "29.030",
  "fieldcode": "29",
  "description": "Magnetic materials",
  "groupcode": "030",
  "@context": "https://isoics.org/jsonld/group.jsonld",
  "descriptionFull": "Electrical engineering. Magnetic materials.",
  "notes": [
    {
      "text": "Steels with special magnetic properties, see {ics-code}",
      "ics-code": "77.140.40"
    }
  ]
}