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 DE19641903658external-prioritypatent/DE1903658A1/en
Application filed by P KrahnfiledCriticalP Krahn
Publication of DK122426BpublicationCriticalpatent/DK122426B/en