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    "modified": "2025-09-19T14:15:54",
    "created": "1984-08-27",
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                    "@value": "Kakugan",
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        },
        {
            "literalForm": "Chert"
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    "source": [
        "岩手県における珪石資源調査報告書",
        "広辞苑 第5版"
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