AT888BAT888DAAT888BAT 888 BAT888 BAT 888BAT 888D AAT888D AAT 888DAAT 888 BAT888 BAT 888B
Authority
AT
Austria
Application number
Inventor
Theodor Drost
Original Assignee
Theodor Drost
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 AT888BpublicationCriticalpatent/AT888B/de