FR60551E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Breakthrough trolley, particularly for breaking through mine galleries
Assignee: Nuesse & Grafer K G Maschf
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Filing: 1949-12-31
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Granted: 1954-11-09
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Expires: 1969-12-31
Abstract
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 11:37
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; E21B7/025
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