FR942599A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in the manufacturing process of metal tubes
Assignee: WELLMAN SEAVER ROLLING MILL CO
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Filing: 1947-03-03
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Granted: 1949-02-11
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Expires: 1967-03-03
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 01:47
CPC Classifications
B; B21; B21C; B21C5/00; B01; B01D; B01D41/00; B01D41/04; B21C5/003
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