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 Kassai Kk, GiapponefiledCriticalKassai Kk
Publication of IT8068729A0publicationCriticalpatent/IT8068729A0/en
Application grantedgrantedCritical
Publication of IT1129841BpublicationCriticalpatent/IT1129841B/en