FR1264673A
Expired / Lapsed
FR
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Mobile support frame, for the bottom of mines
Assignee: Braunschweigische Wissenschaftliche Gesellschaft
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Filing: 1960-05-14
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Granted: 1961-06-23
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Expires: 1980-05-14
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 05:21
CPC Classifications
E; E21; E21D; E21D17/00; E21D17/02; E21D17/0206; E21D23/00; E21D23/04; E21D23/06
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