AT747BAT747DAAT747BAT 747 BAT747 BAT 747BAT 747D AAT747D AAT 747DAAT 747 BAT747 BAT 747B
Authority
AT
Austria
Application number
Inventor
Gustav Pommerhanz
Ernst Wickert
Original Assignee
Gustav Pommerhanz
Ernst Wickert
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 Gustav Pommerhanz, Ernst WickertfiledCriticalGustav Pommerhanz
Application grantedgrantedCritical
Publication of AT747BpublicationCriticalpatent/AT747B/de