DE865134C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of pipes with cylindrical multiple walls
Assignee: Individual
•
Filing: 1950-02-07
•
Granted: 1953-01-29
•
Expires: 1970-02-07
Abstract
No abstract record available.
Inventors
- 👤 Georges Ferrand
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 00:40
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/154
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE548576C
Cited
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