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Individual
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Individual
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Priority to ES1967132242UpriorityCriticalpatent/ES132242Y/en
Publication of ES132242UpublicationCriticalpatent/ES132242U/en
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Publication of ES132242YpublicationCriticalpatent/ES132242Y/en
Thermally insulated tube intended for the conduction of fluids at a temperature different from the environment, characterized in that it comprises an internal metallic tubular element through which the fluid in question circulates and an outer tubular sheath of flexible and thermally insulating material which is essentially found endowed with a succession of interior reliefs that constitute the only points of contact with the inner tube originating between both elements some air chambers of high insulating power. (Machine-translation by Google Translate, not legally binding)