AT690BAT690DAAT690BAT 690 BAT690 BAT 690BAT 690D AAT690D AAT 690DAAT 690 BAT690 BAT 690B
Authority
AT
Austria
Application number
Inventor
Wilhelm Dr Borchers
Original Assignee
Wilhelm Dr Borchers
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 Wilhelm Dr BorchersfiledCriticalWilhelm Dr Borchers
Application grantedgrantedCritical
Publication of AT690BpublicationCriticalpatent/AT690B/de