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 Bourgeois & Co EtablissementsfiledCriticalBourgeois & Co Etablissements
Application grantedgrantedCritical
Publication of AT107025BpublicationCriticalpatent/AT107025B/en