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  "updated": "2026-09-19",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8524/decisions/",
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      "primary": [
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  "title": "北洋銀行の歴史概略",
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