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E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
E04G21/12—Mounting of reinforcing inserts; Prestressing
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FR1210064D1958-08-061958-08-06Procédé de mise sous tension des armatures des éléments en béton précontraint
ExpiredFR1210064A
(fr)