AT821BAT821DAAT821BAT 821 BAT821 BAT 821BAT 821D AAT821D AAT 821DAAT 821 BAT821 BAT 821B
Authority
AT
Austria
Application number
Inventor
Karl Morstadt
Original Assignee
Karl Morstadt
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 AT821BpublicationCriticalpatent/AT821B/de