AT621BAT621DAAT621BAT 621 BAT621 BAT 621BAT 621D AAT621D AAT 621DAAT 621 BAT621 BAT 621B
Authority
AT
Austria
Application number
Inventor
Johann Roessler
Original Assignee
Johann Roessler
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 AT621BpublicationCriticalpatent/AT621B/de