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Gutehoffnungshutte Sterkrade AG
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Gutehoffnungshutte Sterkrade AG
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Filing date
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Application filed by Gutehoffnungshutte Sterkrade AGfiledCriticalGutehoffnungshutte Sterkrade AG
Priority to FR802748ApriorityCriticalpatent/FR76141E/fr
Application grantedgrantedCritical
Publication of FR76141EpublicationCriticalpatent/FR76141E/fr
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D5/00—Lining shafts; Linings therefor
E21D5/11—Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete
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Engineering & Computer Science
(AREA)
Life Sciences & Earth Sciences
(AREA)
Mining & Mineral Resources
(AREA)
Wood Science & Technology
(AREA)
Mechanical Engineering
(AREA)
General Life Sciences & Earth Sciences
(AREA)
Geochemistry & Mineralogy
(AREA)
Geology
(AREA)
FR802748A1959-08-131959-08-13Ancrage de raccordement pour cuvelages de puits et spécialement pour les puits d'extraction des exploitations minières
ExpiredFR76141E
(fr)