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AT80448B
Expired / Lapsed
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Reinforced concrete ceiling. Reinforced concrete ceiling.
Assignee: Friedrich Setz Friedrich Setz
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Filing: 1919-05-14
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Granted: 1920-04-10
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Expires: 1939-05-14
Abstract
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Inventors
- 👤 Friedrich Setz Friedrich Setz
Bibliographic Details
Application Number
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AT
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google_patents
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2026-10-31 04:54
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