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Individual
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Individual
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Priority to ES1984280164UpriorityCriticalpatent/ES280164Y/en
Publication of ES280164UpublicationCriticalpatent/ES280164U/en
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Publication of ES280164YpublicationCriticalpatent/ES280164Y/en
An improved corrugated cardboard, characterized in that it consists of a sheet or sheet of flat paper to which is attached by conventional technique a sheet or sheet of corrugated cardboard, a structure of corrugated cardboard being formed on purpose so that on the corrugated face of the structure formed is applied a stable layer of an adhesive-adherent material, such as latex, which only acquires the characteristics of such when it is put in contact with a layer with the same characteristics. (Machine-translation by Google Translate, not legally binding)