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 Ejnar Nyby BollfiledCriticalEjnar Nyby Boll
Priority to DK640265ApriorityCriticalpatent/DK109236C/da
Application grantedgrantedCritical
Publication of DK109236CpublicationCriticalpatent/DK109236C/da