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Individual
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Priority to ES1980252832UpriorityCriticalpatent/ES252832Y/en
Publication of ES252832UpublicationCriticalpatent/ES252832U/en
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Publication of ES252832YpublicationCriticalpatent/ES252832Y/en
An improved drainage method, characterized by being constituted by a conventional mouth, from which a downwardly increasing and decreasing widening neck starts in a downward direction, forming a periphery of the ball type, with its base cap open, to the purpose to fit in a corresponding enclosure of another tube, also in the form of a ball, with an open upper cap, which tube descends and telescopically connects with the general tube of the overflow. (Machine-translation by Google Translate, not legally binding)
ES1980252832U1980-09-081980-09-08
A PERFECT DRAIN OVERFLOW
ExpiredES252832Y
(en)