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 N A Christensen & Co AsfiledCriticalN A Christensen & Co As
Priority to DK123757ApriorityCriticalpatent/DK94479C/en
Application grantedgrantedCritical
Publication of DK94479CpublicationCriticalpatent/DK94479C/en