AT914BAT914DAAT914BAT 914 BAT914 BAT 914BAT 914D AAT914D AAT 914DAAT 914 BAT914 BAT 914B
Authority
AT
Austria
Application number
Inventor
Louis Hermann Ludwig
Eduard Pfefferkorn
Original Assignee
Louis Hermann Ludwig
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.)
Filing date
Publication date
Application filed by Louis Hermann LudwigfiledCriticalLouis Hermann Ludwig
Application grantedgrantedCritical
Publication of AT914BpublicationCriticalpatent/AT914B/de