AT448BAT448DAAT448BAT 448 BAT448 BAT 448BAT 448D AAT448D AAT 448DAAT 448 BAT448 BAT 448B
Authority
AT
Austria
Application number
Inventor
Heinrich Eichwede
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 AT448BpublicationCriticalpatent/AT448B/de