FR1054291A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device for the production of reinforcement zones on hollow cylindrical parts
Assignee: RHEINISCHE ROHRENWERKE AG
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Filing: 1951-12-28
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Granted: 1954-02-09
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Expires: 1971-12-28
Abstract
No abstract record available.
Inventors
- 👤 Erich Hormann
- 👤 Ludwig Portner
- 👤 Werner Schroer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 20:01
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/20; B21C37/205
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References Cited (Backward Citations)
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