FR658208A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to heat exchangers
Assignee: CIE DE FIVES LILLE POUR CONST
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Filing: 1927-12-09
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Granted: 1929-06-01
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Expires: 1947-12-09
Abstract
No abstract record available.
Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 22:51
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/02; F28F1/04; F28D; F28D7/00; F28D7/16; F28D7/1684
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