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Rheinstahl Wanheim GmbH
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Rheinstahl Wanheim GmbH
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Application filed by Rheinstahl Wanheim GmbHfiledCriticalRheinstahl Wanheim GmbH
Priority to FR887727ApriorityCriticalpatent/FR1314748A/en
Application grantedgrantedCritical
Publication of FR1314748ApublicationCriticalpatent/FR1314748A/en
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
E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
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FR887727A1962-02-121962-02-12
Flexible support for galleries, in the form of rings or hangers
ExpiredFR1314748A
(en)