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  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/outside-directors/mizutani-takehiko/",
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    "name": "水谷健彦",
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            "ratio": 95.24
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        "title": "有価証券報告書",
        "by": "PKSHA Technology",
        "date": "2025-12-23",
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