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Individual
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Individual
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Priority to ES0053570UpriorityCriticalpatent/ES53570U/en
Publication of ES53570UpublicationCriticalpatent/ES53570U/en
FRAMES OF SHEET FOR DOORS AND WINDOWS, characterized by that they are manufactured based on bodies formed by a sheet to which they are made longitudinal double, whose section is a broken line and is provided to the sides, in its lower part, of two flat bars or profiles, which, with their notches, are inserted in lower grooves of the frame. (Machine-translation by Google Translate, not legally binding)
ES0053570U1956-04-071956-04-07Metal frames for doors and windows (Machine-translation by Google Translate, not legally binding)
PendingES53570U
(en)
Improvements in the construction of profiles for frames, mainly for metallic doors and windows (Machine-translation by Google Translate, not legally binding)