DE974547C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Steel longwall mining
Assignee: Individual
•
Filing: 1944-07-08
•
Granted: 1961-02-02
•
Expires: 1964-07-08
Abstract
No abstract record available.
Inventors
- 👤 Alexander Dr-Ing Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 01:45
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/58; E21D23/00; E21D23/04; E21D23/0409
Claims Analysis
Total Claims: 0
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