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 Viggo Lund NielsenfiledCriticalViggo Lund Nielsen
Priority to DK297865ApriorityCriticalpatent/DK108415C/en
Priority to DE1966N0018839prioritypatent/DE1987984U/en
Priority to DE1966N0028670prioritypatent/DE1297381B/en
Application grantedgrantedCritical
Publication of DK108415CpublicationCriticalpatent/DK108415C/en