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Application filed by Bergbaustahl Gmbh & CofiledCriticalBergbaustahl Gmbh & Co
Publication of BE581823ApublicationCriticalpatent/BE581823A/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
E21D11/14—Lining predominantly with metal
E21D11/28—Longitudinal struts, i.e. longitudinal connections between adjoining arches
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BE581823A1959-03-141959-08-19Dispositif d'entretoisement pour les cadres de soutènement des galeries de mine, etc...
BE581823A
(fr)