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Procédé pour améliorer et rendre étanches les sols, les formations de sols, les ouvrages d'art, les éléments de construction et les matériaux de construction
Charges minérales inertes de la serie du gypse sous forme granulaire ou pulvérulente, présentant des propriétés absorbantes, pour usage spécifique dans le secteur des pesticides et fertilisants de feuillages et de sols.