DE974458C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method for producing a tunnel or tunnel pipe by driving a jacking pipe that remains in the ground and is provided with a shield cutter
Assignee: Individual
•
Filing: 1955-03-15
•
Granted: 1960-12-29
•
Expires: 1975-03-15
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Dr Techn Vomberg
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 02:58
CPC Classifications
E; E21; E21D; E21D9/00; E21D9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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