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 O J M ArborgfiledCriticalO J M Arborg
Priority to DK192872ApriorityCriticalpatent/DK138590C/da
Publication of DK138590BpublicationCriticalpatent/DK138590B/da
Application grantedgrantedCritical
Publication of DK138590CpublicationCriticalpatent/DK138590C/da