AT622BAT622DAAT622BAT 622 BAT622 BAT 622BAT 622D AAT622D AAT 622DAAT 622 BAT622 BAT 622B
Authority
AT
Austria
Application number
Inventor
Gustav Birk
Original Assignee
Gustav Birk
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 BirkfiledCriticalGustav Birk
Application grantedgrantedCritical
Publication of AT622BpublicationCriticalpatent/AT622B/de