AT691BAT691DAAT691BAT 691 BAT691 BAT 691BAT 691D AAT691D AAT 691DAAT 691 BAT691 BAT 691B
Authority
AT
Austria
Application number
Inventor
Carl Schreiber
Original Assignee
Carl Schreiber
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 AT691BpublicationCriticalpatent/AT691B/de