FR1370060A - Procédé pour le creusage des puits de mine à travers des couches mobiles et dispositif pour la mise en oeuvre de ce procédé
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Procédé pour le creusage des puits de mine à travers des couches mobiles et dispositif pour la mise en oeuvre de ce procédé
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MINISTERUL MINELOR SI ENERGIEI ELECTRICE
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MINISTERUL MINELOR SI ENERGIEI ELECTRICE
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Application filed by MINISTERUL MINELOR SI ENERGIEI ELECTRICEfiledCriticalMINISTERUL MINELOR SI ENERGIEI ELECTRICE
Priority to FR940492ApriorityCriticalpatent/FR1370060A/fr
Application grantedgrantedCritical
Publication of FR1370060ApublicationCriticalpatent/FR1370060A/fr
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D1/00—Sinking shafts
E21D1/08—Sinking shafts while moving the lining downwards
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Engineering & Computer Science
(AREA)
Mining & Mineral Resources
(AREA)
Mechanical 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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Geology
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FR940492A1963-07-051963-07-05Procédé pour le creusage des puits de mine à travers des couches mobiles et dispositif pour la mise en oeuvre de ce procédé
ExpiredFR1370060A
(fr)