Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1987015720UpriorityCriticalpatent/JPS63124626U/ja
Publication of JPS63124626UpublicationCriticalpatent/JPS63124626U/ja
Coperchio galleggiante su liquidies. vino - che in virtu' della sua sagoma e della sua originale valvola di sfiato, riesce a formare un diaframma a tenuta d'aria tra il liquido e l'ambiente sovrastante