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Individual
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Individual
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Priority to ES0069092UpriorityCriticalpatent/ES69092U/en
Publication of ES69092UpublicationCriticalpatent/ES69092U/en
New insulating tubes made of synthetic resins, characterized by being formed by radial grooves located on all its external and internal surfaces, in a counterbalanced way, in order to be able to make curves, without specifying any tool and without deforming its bore or interior duct, can be of various shapes and thereby creating more side walls or folds, which when made with the tube a curve, these varying its angle, increase or decrease the development, opening or closing at the top and bottom of the curve . (Machine-translation by Google Translate, not legally binding)
ES0069092U1958-10-181958-10-18New insulating tubes of synthetic resins (Machine-translation by Google Translate, not legally binding)
PendingES69092U
(en)