AT209BAT209DAAT209BAT 209 BAT209 BAT 209BAT 209D AAT209D AAT 209DAAT 209 BAT209 BAT 209B
Authority
AT
Austria
Application number
Inventor
Friedrich Krupp
Original Assignee
Friedrich Krupp
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 AT209BpublicationCriticalpatent/AT209B/de