AT499BAT499DAAT499BAT 499 BAT499 BAT 499BAT 499D AAT499D AAT 499DAAT 499 BAT499 BAT 499B
Authority
AT
Austria
Application number
Inventor
Friedrich Stegman
Original Assignee
Friedrich Stegman
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 Friedrich StegmanfiledCriticalFriedrich Stegman
Application grantedgrantedCritical
Publication of AT499BpublicationCriticalpatent/AT499B/de