AT484BAT484DAAT484BAT 484 BAT484 BAT 484BAT 484D AAT484D AAT 484DAAT 484 BAT484 BAT 484B
Authority
AT
Austria
Application number
Original Assignee
Ver Chemischer Fabriken
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.)
Publication date
Priority to AT488DpriorityCriticalpatent/AT488B/de
Application grantedgrantedCritical
Publication of AT484BpublicationCriticalpatent/AT484B/de