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 filed by Estfeller Kassian & CofiledCriticalEstfeller Kassian & Co
Priority to IT04809/82ApriorityCriticalpatent/IT1158206B/it
Publication of IT8204809A0publicationCriticalpatent/IT8204809A0/it
Application grantedgrantedCritical
Publication of IT1158206BpublicationCriticalpatent/IT1158206B/it