ton of refrigeration (12 000 Btu_IT/h)

{
  "id": "NISTu349",
  "unitsml_id": "u:ton_refrigeration",
  "name": "ton of refrigeration (12 000 Btu_IT/h)",
  "names": [
    {
      "value": "ton of refrigeration (12 000 Btu_IT/h)",
      "lang": "en"
    },
    {
      "value": "ton of refrigeration",
      "lang": "en"
    },
    {
      "value": "ton",
      "lang": "en"
    }
  ],
  "symbols": {
    "unicode": "ton",
    "ascii": "ton",
    "html": "ton",
    "latex": "\\ensuremath{\\mathrm{ton}}",
    "id": "ton_refrigeration",
    "mathml": "<mi mathvariant='normal'>ton</mi>"
  },
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTu349"
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    {
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      "id": "u:ton_refrigeration"
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  ],
  "references": [
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/unit/TON_FG"
    }
  ],
  "short": "ton_refrigeration",
  "root": true,
  "composite": false,
  "quantities": [
    {
      "id": "NISTq20",
      "name": "power",
      "type": "derived"
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  "dimension": {
    "id": "NISTd16",
    "name": "power",
    "expression": "L2·M·T-3",
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        "key": "length",
        "symbol": "L",
        "power": 2
      },
      {
        "key": "mass",
        "symbol": "M",
        "power": 1
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      {
        "key": "time",
        "symbol": "T",
        "power": -3
      }
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  "scale": {
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    "name": "continuous ratio scale"
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      "id": "non-SI_not_acceptable",
      "name": "non-SI and not acceptable",
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  "root_units": null
}