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GEORGE MOXON MINING Ltd
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GEORGE MOXON MINING Ltd
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Application filed by GEORGE MOXON MINING LtdfiledCriticalGEORGE MOXON MINING Ltd
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Publication of FR1230818ApublicationCriticalpatent/FR1230818A/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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FR800164A1958-07-141959-07-11Perfectionnements aux supports de toits pour galeries de mines
ExpiredFR1230818A
(fr)