AT441BAT441DAAT441BAT 441 BAT441 BAT 441BAT 441D AAT441D AAT 441DAAT 441 BAT441 BAT 441B
Authority
AT
Austria
Application number
Inventor
Franz Haas
Leopold Roesner
Original Assignee
Franz Haas
Leopold Roesner
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 Franz Haas, Leopold RoesnerfiledCriticalFranz Haas
Application grantedgrantedCritical
Publication of AT441BpublicationCriticalpatent/AT441B/de