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    "vcard": "http://www.w3.org/2006/vcard/ns#",
    "voaf": "http://purl.org/vocommons/voaf#",
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      },
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      "dct:issued": {
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        "@value": "2014-01-10T18:48:50"
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      "gnss:firmware_version": "ZC00",
      "gnss:igsModelCode": "ASHTECH UZ-12"
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      "gnss:igsModelCode": "ASH700936D_M    SNOW",
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}