DE746300C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of multi-layer hollow bodies in which band iron is wound helically around a core tube
Assignee: DEUTSCHE ROEHRENWERKE AG
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Filing: 1938-11-02
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Granted: 1944-07-21
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Expires: 1958-11-02
Abstract
No abstract record available.
Inventors
- 👤 Johannes Heinemann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 08:07
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/154; B21C37/12; B21C37/123
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