AT577BAT577DAAT577BAT 577 BAT577 BAT 577BAT 577D AAT577D AAT 577DAAT 577 BAT577 BAT 577B
Authority
AT
Austria
Application number
Inventor
Ludwig Ruemelin
Heinrich Auer
Original Assignee
Ludwig Ruemelin
Heinrich Auer
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 AT577BpublicationCriticalpatent/AT577B/de