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 Rud Ketten Rieger & DietzfiledCriticalRud Ketten Rieger & Dietz
Publication of ATA253076ApublicationCriticalpatent/ATA253076A/de
Application grantedgrantedCritical
Publication of AT346537BpublicationCriticalpatent/AT346537B/de