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FR670428A Expired / Lapsed FR ⏱️ 0.0 years remaining

Refrigeration machine

Assignee: Albert Einstein
•
Filing: 1928-12-26
•
Granted: 1929-11-28
•
Expires: 1948-12-26
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Abstract

No abstract record available.

Inventors

  • 👤 Albert Einstein
  • 👤 Leo Szilard

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 05:01
CPC Classifications
F; F25; F25B; F25B1/00

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