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Priority to ES149769UpriorityCriticalpatent/ES149769U/en
Publication of ES149769UpublicationCriticalpatent/ES149769U/en
Specific Sealing Or Ventilating Devices For Doors And Windows
(AREA)
Abstract
Improved saw arch, characterized in that having the shape of a conventional arch and using also conventional blades, has in the lower part of its smaller sides perpendicular to its length, recesses designed to house inside pins or pivots previously placed in the holes of the ends of the saw blades, which allows, given the manufacture of the arch with a material appropriate for its characteristic function that when recovering primitive distension position tense the blade holding it firmly. (Machine-translation by Google Translate, not legally binding)
ES149769U1969-06-231969-06-23Improved saw arch (Machine-translation by Google Translate, not legally binding)
PendingES149769U
(en)