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AT156727B
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Ventilation device on a double window.
Assignee: Hermann Ing Nikolaus
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Filing: 1937-09-30
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Granted: 1939-08-10
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Expires: 1957-09-30
Abstract
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Inventors
- 👤 Hermann Ing Nikolaus
Bibliographic Details
Application Number
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Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-04 22:47
CPC Classifications
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