DE1194352B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Wandering longwall mining
Assignee: Individual
•
Filing: 1963-05-13
•
Granted: —
•
Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 Otto Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 20:50
CPC Classifications
E; E21; E21D; E21D23/00; E21D23/0052; E21D23/04; E21D23/0409; E21F; E21F13/00; E21F13/08; E21F13/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE974547C
Cited
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