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 S C A T Soc Costr Articoli TecfiledCriticalS C A T Soc Costr Articoli Tec
Application grantedgrantedCritical
Publication of AT169298BpublicationCriticalpatent/AT169298B/de