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      "company_name": "古河電気工業",
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      "company_name": "古河電気工業",
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      "reference": "有価証券報告書"
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      "company_name": "古河電気工業",
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      "net_margin": 2.688,
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      "company_name": "古河電気工業",
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      "net_margin": 1.143,
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      "reference": "有価証券報告書"
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}
