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Priority claimed from DK279784Aexternal-prioritypatent/DK279784D0/da
Application filed by Kai Helsted NielsenfiledCriticalKai Helsted Nielsen
Priority to DK257385ApriorityCriticalpatent/DK153207B/da
Publication of DK257385D0publicationCriticalpatent/DK257385D0/da
Publication of DK257385ApublicationCriticalpatent/DK257385A/da
Publication of DK153207BpublicationCriticalpatent/DK153207B/da