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Individual
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Individual
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Priority to ES0067424UpriorityCriticalpatent/ES67424Y/en
Publication of ES67424UpublicationCriticalpatent/ES67424U/en
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Publication of ES67424YpublicationCriticalpatent/ES67424Y/en
Dripper stopper for laboratory and other uses drums characterized by a pouring system consisting of two diametrically opposed perforations located inside, laterally, next to the bottom and extending externally in two conical protuberances, shaped like a bird's beak, which allow pouring the contents of the bottle with a fine stream through one of them thanks to the air intake provided by the other, or, gently occluding the latter with the fingertip, the liquid can be spilled by intermittent or trickling, at will. (Machine-translation by Google Translate, not legally binding)
ES0067424U1958-07-161958-07-16
Scorer cap for laboratory flasks and other uses
ExpiredES67424Y
(en)