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
Priority claimed from IT23450/79Aexternal-prioritypatent/IT1121375B/it
Application filedfiledCritical
Publication of ES250821UpublicationCriticalpatent/ES250821U/es
Application grantedgrantedCritical
Publication of ES250821YpublicationCriticalpatent/ES250821Y/es