FR703514A
Expired / Lapsed
FR
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Improvements to the means for cooling or heating, from the inside, hollow rotating parts, in particular rolling mill rolls
Assignee: Andre-Louis-Emile Maigret
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Filing: 1930-10-09
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Granted: 1931-05-01
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Expires: 1950-10-09
Abstract
No abstract record available.
Inventors
- 👤 Andre-Louis-Emile Maigret
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 14:25
CPC Classifications
B; B21; B21B; B21B27/00; B21B27/06; B21B27/08
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