Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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Filing date
Publication date
Application filed by Gewerkschaft Eisenhutte Westfalia GmbHfiledCriticalGewerkschaft Eisenhutte Westfalia GmbH
Priority to FR7102445ApriorityCriticalpatent/FR2123157B1/fr
Publication of FR2123157A1publicationCriticalpatent/FR2123157A1/fr
Application grantedgrantedCritical
Publication of FR2123157B1publicationCriticalpatent/FR2123157B1/fr
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries