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Individual
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Individual
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Priority to ES116703UpriorityCriticalpatent/ES116703U/en
Publication of ES116703UpublicationCriticalpatent/ES116703U/en
An improved stopper essentially characterized in that the closing body is provided on its peripheral lower edge with a flange-shaped extension formed in the same part and arranged in a plane inclined with respect to said body which is used as a opener. (Machine-translation by Google Translate, not legally binding)
ES116703U1965-10-191965-10-19Perfected plug (Machine-translation by Google Translate, not legally binding)
PendingES116703U
(en)