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FR508380A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to rotary pumps

Assignee: Individual
•
Filing: 1920-01-13
•
Granted: 1920-10-08
•
Expires: 1940-01-13
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Abstract

No abstract record available.

Inventors

  • 👤 Norman Giles Beckwith
  • 👤 Walter Pelmore

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-25 10:37
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/356; F01C1/3562; F01C1/3564

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