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Individual
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Individual
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Priority to ES0056742UpriorityCriticalpatent/ES56742U/en
Publication of ES56742UpublicationCriticalpatent/ES56742U/en
The boards of Okumen are characterized by their rigidity, if we add to this that in our studies we take into account that these edge boards are unbearable, we find that with the placement we make of the outer boards and the strips that form the inner nerves of the same matter, they form us a door completely bound, less heavy and more economical, than the ordinary door and all the hitherto known by what we consider our model utility door project. (Machine-translation by Google Translate, not legally binding)
ES0056742U1956-10-231956-10-23Utility model door (Machine-translation by Google Translate, not legally binding)
PendingES56742U
(en)