Patent US3091152A successfully refreshed from Google Patents.
Patent FR891580A successfully refreshed from Google Patents.
FR891580A
Expired / Lapsed
FR
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Rolling process for obtaining narrow finned tubes with smooth ends
Assignee: GM Deutschland Holdings GmbH
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Filing: 1943-02-26
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Granted: 1944-03-10
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Expires: 1963-02-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 18:10
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/20; B21C37/207
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