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  "path": "/838819/m400-helicoid-staircase-roger-tallon-1964/",
  "publishedAt": "2026-05-22T13:40:29.000Z",
  "site": "https://www.usluck.com",
  "tags": [
    "Retro Futurism",
    "Futurism",
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  "textContent": "aluminium. M400 were design elements including this staircase. 400 means 400mm. by Distinct-Question-16",
  "title": "M400 Helicoid staircase (Roger Tallon, 1964)"
}