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E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
E02D7/24—Placing by using fluid jets
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FR443439D1912-05-061912-05-06Procédé pour enfoncer, dans le sol, des colonnes en béton, par l'air comprimé ou par pression hydraulique
ExpiredFR443439A
(fr)
Roues à compression variable obtenue par l'addition de produits naturels (eau, sable, matériaux, etc.) appliquées aux rouleaux compresseurs à traction mécanique
Système pour l'élévation de l'eau ou autre liquide à une hauteur quelconque, au moyen d'air comprimé produit notamment par l'énergie de l'eau sous pression provenant de prises d'eau en charge, chutes d'eau, etc.