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 F SvejstrupfiledCriticalF Svejstrup
Priority to DK77464ApriorityCriticalpatent/DK116604B/da
Publication of DK116604BpublicationCriticalpatent/DK116604B/da