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  "updated": "2026-10-27",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8344/decisions/",
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  "title": "山形銀行の歴史概略",
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      "phase": "growth"
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    {
      "title": "じゅうだん会システムの稼働と監査等委員会設置会社への移行",
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