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.)
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Publication date
Priority claimed from DK2772Aexternal-prioritypatent/DK130937C/da
Application filed by P WillumsenfiledCriticalP Willumsen
Priority to DK280076ApriorityCriticalpatent/DK280076A/da
Publication of DK280076ApublicationCriticalpatent/DK280076A/da