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E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
E01C5/00—Pavings made of prefabricated single units
E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
E01C5/08—Reinforced units with steel frames
E01C5/10—Prestressed reinforced units ; Prestressed coverings from reinforced or non-reinforced units
E01C5/105—Prestressed reinforced units ; Prestressed coverings from reinforced or non-reinforced units on prefabricated supporting structures or prefabricated foundation elements, except coverings made of layers of similar elements
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FR56381D1945-10-051946-09-25Procédé de construction pour l'établissement de surfaces de roulage
ExpiredFR56381E
(fr)