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 Fagioli Emilio, Ercole Marelli & C Societa PerfiledCriticalFagioli Emilio
Application grantedgrantedCritical
Publication of AT181564BpublicationCriticalpatent/AT181564B/en