Patent FR49743E successfully refreshed from Google Patents.
FR49743E
Expired / Lapsed
FR
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Improvement in the establishment of stacks for heat regenerators and more particularly for wind heaters in blast furnaces
Assignee: Prod Refractaires & Ceramiques
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Filing: 1938-02-19
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Granted: 1939-06-29
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Expires: 1958-02-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 20:26
CPC Classifications
C; C21; C21B; C21B9/00; C21B9/02; C21B9/06
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