AT842BAT842DAAT842BAT 842 BAT842 BAT 842BAT 842D AAT842D AAT 842DAAT 842 BAT842 BAT 842B
Authority
AT
Austria
Application number
Inventor
August Gammeter
Original Assignee
August Gammeter
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 AT842BpublicationCriticalpatent/AT842B/de