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E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
E01C19/21—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for simultaneously but separately applying liquid material and granular or pulverulent material, e.g. bitumen and grit, with or without spreading ; for filling grooves and gritting the filling
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FR856119D1939-06-131939-06-13Chaudière roulante à goudron avec réservoir à gravillon et à charbon pour travaux d'entretien des routes
ExpiredFR856119A
(fr)
Procédé pour l'allumage initial du poussier de charbon dans un foyer à poussier de charbon, notamment dans les installations de chaudières à vapeur
Fondations de sécurité pour bâtiments et ouvrages soumis à l'influence de mouvements souterrains ou sujets aux perturbations provoquées par les affaissements miniers