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 Knud ChristiansenfiledCriticalKnud Christiansen
Priority to DK444059ApriorityCriticalpatent/DK91842C/da
Application grantedgrantedCritical
Publication of DK91842CpublicationCriticalpatent/DK91842C/da