FR993340A
Expired / Lapsed
FR
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Support system for mining operations by size
Assignee: Bochumer Eisenhuette Heintzmann GmbH and Co KG
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Filing: —
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Granted: 1951-11-12
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Expires: 1968-11-12
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
2026-10-30 07:21
CPC Classifications
E; E21; E21D; E21D17/00; E21D17/02; E21D17/08; E21D17/086; D; D03; D03D; D03D49/00; D03D49/70
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