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
Priority claimed from DE19762617865external-prioritypatent/DE2617865A1/en
Application filed by Weichel ErnstfiledCriticalWeichel Ernst
Priority to AT89580ApriorityCriticalpatent/AT368827B/en
Publication of ATA89580ApublicationCriticalpatent/ATA89580A/en
Application grantedgrantedCritical
Publication of AT368827BpublicationCriticalpatent/AT368827B/en