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Individual
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Individual
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Priority to ES103671UpriorityCriticalpatent/ES103671Y/en
Publication of ES103671UpublicationCriticalpatent/ES103671U/en
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Publication of ES103671YpublicationCriticalpatent/ES103671Y/en
New document-carrying portfolio characterized by being made up of three rectangular sheets joined together by their forging borders, two of which remain outside and join inside forming dihedrals with a common face and different edges parallel to each other and opposite, having been foreseen in the sheets external sheets attached to them in their interior waxes to form apartments and in the intermediate sheet attached sheets on its two sides forming open departments in opposite directions on each side leaving the whole with a minimum thickness to completely fold one sheet over another. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of new light plates for works of roofing, carpentry and construction in general. (Machine-translation by Google Translate, not legally binding)