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 IT21536/77Aexternal-prioritypatent/IT1115275B/en
Application filedfiledCritical
Publication of ES235190UpublicationCriticalpatent/ES235190U/en
Application grantedgrantedCritical
Publication of ES235190YpublicationCriticalpatent/ES235190Y/en