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      "company_name": "同和鉱業",
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      "company_name": "同和鉱業",
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      "company_name": "同和鉱業",
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      "company_name": "同和鉱業",
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      "company_name": "同和鉱業",
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      "net_margin": 0.09,
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      "company_name": "同和鉱業",
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      "net_profit": -26,
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      "employees": 3515,
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      "company_name": "同和鉱業",
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      "net_profit": 86,
      "net_margin": 3.665,
      "employees": 3289,
      "reference": "有価証券報告書"
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    {
      "year": 2005,
      "month": 3,
      "company_name": "同和鉱業",
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      "net_margin": 4.171,
      "employees": 3305,
      "reference": "有価証券報告書"
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      "month": 3,
      "company_name": "DOWAホールディングス",
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      "accounting_standard": "JGAAP",
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      "company_name": "DOWAホールディングス",
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      "net_profit": 263,
      "net_margin": 5.733,
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      "net_margin": 5.149,
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      "net_margin": -8.103,
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      "net_margin": 1.398,
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      "net_margin": 2.701,
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      "net_margin": 3.625,
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      "net_margin": 5.708,
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      "net_margin": 5.362,
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      "company_name": "DOWAホールディングス",
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}
