AT919BAT919DAAT919BAT 919 BAT919 BAT 919BAT 919D AAT919D AAT 919DAAT 919 BAT919 BAT 919B
Authority
AT
Austria
Application number
Inventor
Eduard Ekerdt
Carl Zell
Original Assignee
Eduard Ekerdt
Carl Zell
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
Application grantedgrantedCritical
Publication of AT919BpublicationCriticalpatent/AT919B/de