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Priority to ES1971174385UpriorityCriticalpatent/ES174385Y/en
Publication of ES174385UpublicationCriticalpatent/ES174385U/en
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Publication of ES174385YpublicationCriticalpatent/ES174385Y/en
Channeling for drainage and irrigation, which is constituted by a series of tubular portions based on plastic material, preferably coupled one after another, is essentially characterized in that each of the tubular portions presents its corresponding bulging ends in generally abarrigada form, in one of whose bulges there is a pair of annular projections near the embouchure and parallel to each other, while the other bulge has two longitudinal recesses offset to 120º, which in plan offer approximate shape of an ellipse. (Machine-translation by Google Translate, not legally binding)
ES1971174385U1971-11-191971-11-19
CHANNELING FOR DRAINAGE AND IRRIGATION.
ExpiredES174385Y
(en)