FR889341A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Impeller for centrifugal fans
Assignee: Westfalia Dinnendahl Groeppel AG
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Filing: 1942-12-22
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Granted: 1944-01-06
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Expires: 1962-12-22
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-22 19:27
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/30
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