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FR1005173A
Expired / Lapsed
FR
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Automatic coal extraction and / or loading device in mines
Assignee: Gewerkschaft Eisenhutte Westfalia GmbH
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Filing: 1947-06-14
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Granted: 1952-04-07
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Expires: 1967-06-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 15:28
CPC Classifications
E; E21; E21C; E21C29/00; E21C29/04; E21C29/14; E21C29/16
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