{
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  "updated": "2026-09-14",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/ddi/",
  "version": "3",
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    "industry_detail": "it_telecom",
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    "updated": "2026-09-14",
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    "name_kana": "ダイニデンデン",
    "old_name_kana": "ダイニデンデンキカク"
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    }
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      "description": "Long-term performance as CSV (reference; JSON recommended)",
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}
