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Individual
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Priority to ES0047975UpriorityCriticalpatent/ES47975Y/en
Publication of ES47975UpublicationCriticalpatent/ES47975U/en
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Publication of ES47975YpublicationCriticalpatent/ES47975Y/en
Heat-Exchange Devices With Radiators And Conduit Assemblies
(AREA)
Abstract
A tube with smooth and helical fins, characterized in that the straight section of the fin is an isosceles triangle and is of constant value along the helix formed, settling on the surface represented by its base on the outer wall of the tube with which it is joined, and because both lateral surfaces of the fin are completely smooth. (Machine-translation by Google Translate, not legally binding)
ES0047975U1955-05-071955-05-07
A smooth and helical finned tube
ExpiredES47975Y
(en)