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Filing date
Publication date
Application filed by Jean LeysenfiledCriticalJean Leysen
Publication of CH22325ApublicationCriticalpatent/CH22325A/fr
Procédé pour la fabrication de matériaux de construction ou autres, tels que pierre à bâtir, tuiles ou plaques pour toitures, plaques de recouvrement pour murs, blocs pour cloisons, etc.