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TUBE HEADINGS Ltd
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TUBE HEADINGS Ltd
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Application filed by TUBE HEADINGS LtdfiledCriticalTUBE HEADINGS Ltd
Priority to FR115716ApriorityCriticalpatent/FR1532817A/fr
Application grantedgrantedCritical
Publication of FR1532817ApublicationCriticalpatent/FR1532817A/fr
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
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Engineering & Computer Science
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Mining & Mineral Resources
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Environmental & Geological Engineering
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Life Sciences & Earth Sciences
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General Life Sciences & Earth Sciences
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Geochemistry & Mineralogy
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FR115716A1967-07-261967-07-26Amélioration dans ou relative à l'enfoncement de tubes
ExpiredFR1532817A
(fr)